From: Radek Czajka  
-    {% if book.get_extra_info_value.license %}
+    {% if book.extra_info.license %}
         {% trans "This work is licensed under:" %}
-        {{ book.get_extra_info_value.license_description }}
+        {{ book.extra_info.license_description }}
     {% else %}
         {% blocktrans %}This work isn't covered by copyright and is part of the
         public domain, which means it can be freely used, published and
@@ -16,15 +16,15 @@
     {% endif %}
  {% trans "Text prepared based on:" %} {{ book.get_extra_info_value.source_name }} {% trans "Text prepared based on:" %} {{ book.extra_info.source_name }} {{ book.get_extra_info_value.description }} {{ book.extra_info.description }} {% trans "Edited and annotated by:" %}
-      {% all_editors book.get_extra_info_value %}.
\n'.join(lines)
diff --git a/apps/catalogue/fields.py b/apps/catalogue/fields.py
index 390fb0359..5ab78eb03 100644
--- a/apps/catalogue/fields.py
+++ b/apps/catalogue/fields.py
@@ -2,68 +2,8 @@
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
-import datetime
-
-from django.conf import settings
 from django.db import models
 from django.db.models.fields.files import FieldFile
-from django import forms
-from django.utils import simplejson as json
-from django.utils.translation import ugettext_lazy as _
-
-
-class JSONEncoder(json.JSONEncoder):
-    def default(self, obj):
-        if isinstance(obj, datetime.datetime):
-            return obj.strftime('%Y-%m-%d %H:%M:%S')
-        elif isinstance(obj, datetime.date):
-            return obj.strftime('%Y-%m-%d')
-        elif isinstance(obj, datetime.time):
-            return obj.strftime('%H:%M:%S')
-        return json.JSONEncoder.default(self, obj)
-
-
-def dumps(data):
-    return JSONEncoder().encode(data)
-
-
-def loads(str):
-    return json.loads(str, encoding=settings.DEFAULT_CHARSET)
-
-
-class JSONFormField(forms.CharField):
-    widget = forms.Textarea
-
-    def clean(self, value):
-        try:
-            loads(value)
-            return value
-        except ValueError, e:
-            raise forms.ValidationError(_('Enter a valid JSON value. Error: %s') % e)
-
-
-class JSONField(models.TextField):
-    def formfield(self, **kwargs):
-        defaults = {'form_class': JSONFormField}
-        defaults.update(kwargs)
-        return super(JSONField, self).formfield(**defaults)
-
-    def db_type(self, connection):
-        return 'text'
-
-    def get_internal_type(self):
-        return 'TextField'
-
-    def contribute_to_class(self, cls, name):
-        super(JSONField, self).contribute_to_class(cls, name)
-
-        def get_value(model_instance):
-            return loads(getattr(model_instance, self.attname, None))
-        setattr(cls, 'get_%s_value' % self.name, get_value)
-
-        def set_value(model_instance, json):
-            return setattr(model_instance, self.attname, dumps(json))
-        setattr(cls, 'set_%s_value' % self.name, set_value)
 
 
 class OverwritingFieldFile(FieldFile):
@@ -89,7 +29,6 @@ try:
     # check for south
     from south.modelsinspector import add_introspection_rules
 
-    add_introspection_rules([], ["^catalogue\.fields\.JSONField"])
     add_introspection_rules([], ["^catalogue\.fields\.OverwritingFileField"])
 except ImportError:
     pass
diff --git a/apps/catalogue/migrations/0001_initial.py b/apps/catalogue/migrations/0001_initial.py
index 045b2f204..38a31e914 100644
--- a/apps/catalogue/migrations/0001_initial.py
+++ b/apps/catalogue/migrations/0001_initial.py
@@ -13,15 +13,15 @@ class Migration(SchemaMigration):
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('name', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)),
             ('slug', self.gf('django.db.models.fields.SlugField')(max_length=120, db_index=True)),
-            ('sort_key', self.gf('django.db.models.fields.SlugField')(max_length=120, db_index=True)),
+            ('sort_key', self.gf('django.db.models.fields.CharField')(max_length=120, db_index=True)),
             ('category', self.gf('django.db.models.fields.CharField')(max_length=50, db_index=True)),
             ('description', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('main_page', self.gf('django.db.models.fields.BooleanField')(default=False, db_index=True)),
             ('user', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'], null=True, blank=True)),
-            ('book_count', self.gf('django.db.models.fields.IntegerField')(null=True)),
-            ('death', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
+            ('book_count', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
             ('gazeta_link', self.gf('django.db.models.fields.CharField')(max_length=240, blank=True)),
             ('wiki_link', self.gf('django.db.models.fields.CharField')(max_length=240, blank=True)),
+            ('created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, db_index=True, blank=True)),
+            ('changed_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)),
         ))
         db.send_create_signal('catalogue', ['Tag'])
 
@@ -40,37 +40,43 @@ class Migration(SchemaMigration):
         # Adding unique constraint on 'TagRelation', fields ['tag', 'content_type', 'object_id']
         db.create_unique('catalogue_tag_relation', ['tag_id', 'content_type_id', 'object_id'])
 
+        # Adding model 'BookMedia'
+        db.create_table('catalogue_bookmedia', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('type', self.gf('django.db.models.fields.CharField')(max_length='100')),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length='100')),
+            ('file', self.gf('catalogue.fields.OverwritingFileField')(max_length=100)),
+            ('uploaded_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
+            ('extra_info', self.gf('jsonfield.fields.JSONField')(default='{}')),
+            ('book', self.gf('django.db.models.fields.related.ForeignKey')(related_name='media', to=orm['catalogue.Book'])),
+            ('source_sha1', self.gf('django.db.models.fields.CharField')(max_length=40, null=True, blank=True)),
+        ))
+        db.send_create_signal('catalogue', ['BookMedia'])
+
         # Adding model 'Book'
         db.create_table('catalogue_book', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('title', self.gf('django.db.models.fields.CharField')(max_length=120)),
+            ('sort_key', self.gf('django.db.models.fields.CharField')(max_length=120, db_index=True)),
             ('slug', self.gf('django.db.models.fields.SlugField')(unique=True, max_length=120, db_index=True)),
+            ('common_slug', self.gf('django.db.models.fields.SlugField')(max_length=120, db_index=True)),
+            ('language', self.gf('django.db.models.fields.CharField')(default='pol', max_length=3, db_index=True)),
             ('description', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, blank=True)),
-            ('_short_html', self.gf('django.db.models.fields.TextField')()),
-            ('_short_html_de', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_en', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_es', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_fr', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_lt', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_pl', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_ru', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_uk', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
+            ('created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, db_index=True, blank=True)),
+            ('changed_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, db_index=True, blank=True)),
             ('parent_number', self.gf('django.db.models.fields.IntegerField')(default=0)),
-            ('extra_info', self.gf('catalogue.fields.JSONField')()),
+            ('extra_info', self.gf('jsonfield.fields.JSONField')(default='{}')),
             ('gazeta_link', self.gf('django.db.models.fields.CharField')(max_length=240, blank=True)),
             ('wiki_link', self.gf('django.db.models.fields.CharField')(max_length=240, blank=True)),
-            ('xml_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('html_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
+            ('cover', self.gf('django.db.models.fields.files.FileField')(max_length=100, null=True, blank=True)),
+            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(blank=True, related_name='children', null=True, to=orm['catalogue.Book'])),
+            ('_related_info', self.gf('jsonfield.fields.JSONField')(null=True, blank=True)),
             ('pdf_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
             ('epub_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('odt_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
+            ('mobi_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
             ('txt_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('mp3_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('ogg_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('parent', self.gf('django.db.models.fields.related.ForeignKey')(blank=True, related_name='children', null=True, to=orm['catalogue.Book'])),
-            ('_tag_counter', self.gf('catalogue.fields.JSONField')(null=True)),
-            ('_theme_counter', self.gf('catalogue.fields.JSONField')(null=True)),
+            ('html_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
+            ('xml_file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
         ))
         db.send_create_signal('catalogue', ['Book'])
 
@@ -79,41 +85,19 @@ class Migration(SchemaMigration):
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('text', self.gf('django.db.models.fields.TextField')()),
             ('short_text', self.gf('django.db.models.fields.TextField')()),
-            ('_short_html', self.gf('django.db.models.fields.TextField')()),
-            ('_short_html_de', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_en', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_es', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_fr', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_lt', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_pl', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_ru', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('_short_html_uk', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
             ('anchor', self.gf('django.db.models.fields.CharField')(max_length=120)),
             ('book', self.gf('django.db.models.fields.related.ForeignKey')(related_name='fragments', to=orm['catalogue.Book'])),
         ))
         db.send_create_signal('catalogue', ['Fragment'])
 
-        # Adding model 'BookStub'
-        db.create_table('catalogue_bookstub', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('title', self.gf('django.db.models.fields.CharField')(max_length=120)),
-            ('author', self.gf('django.db.models.fields.CharField')(max_length=120)),
-            ('pd', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
-            ('slug', self.gf('django.db.models.fields.SlugField')(unique=True, max_length=120, db_index=True)),
-            ('translator', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('translator_death', self.gf('django.db.models.fields.TextField')(blank=True)),
-        ))
-        db.send_create_signal('catalogue', ['BookStub'])
-
-        # Adding model 'FileRecord'
-        db.create_table('catalogue_filerecord', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('slug', self.gf('django.db.models.fields.SlugField')(max_length=120, db_index=True)),
-            ('type', self.gf('django.db.models.fields.CharField')(max_length=20, db_index=True)),
-            ('sha1', self.gf('django.db.models.fields.CharField')(max_length=40)),
-            ('time', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
+        # Adding model 'Collection'
+        db.create_table('catalogue_collection', (
+            ('title', self.gf('django.db.models.fields.CharField')(max_length=120, db_index=True)),
+            ('slug', self.gf('django.db.models.fields.SlugField')(max_length=120, primary_key=True, db_index=True)),
+            ('description', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
+            ('book_slugs', self.gf('django.db.models.fields.TextField')()),
         ))
-        db.send_create_signal('catalogue', ['FileRecord'])
+        db.send_create_signal('catalogue', ['Collection'])
 
 
     def backwards(self, orm):
@@ -130,17 +114,17 @@ class Migration(SchemaMigration):
         # Deleting model 'TagRelation'
         db.delete_table('catalogue_tag_relation')
 
+        # Deleting model 'BookMedia'
+        db.delete_table('catalogue_bookmedia')
+
         # Deleting model 'Book'
         db.delete_table('catalogue_book')
 
         # Deleting model 'Fragment'
         db.delete_table('catalogue_fragment')
 
-        # Deleting model 'BookStub'
-        db.delete_table('catalogue_bookstub')
-
-        # Deleting model 'FileRecord'
-        db.delete_table('catalogue_filerecord')
+        # Deleting model 'Collection'
+        db.delete_table('catalogue_collection')
 
 
     models = {
@@ -174,66 +158,50 @@ class Migration(SchemaMigration):
             'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
         },
         'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
+            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
+            '_related_info': ('jsonfield.fields.JSONField', [], {'null': 'True', 'blank': 'True'}),
+            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
+            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
+            'extra_info': ('jsonfield.fields.JSONField', [], {'default': "'{}'"}),
             'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
             'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
             'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mp3_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'odt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'ogg_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
+            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
+            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
             'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
             'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
             'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
             'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
+            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
             'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
             'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
             'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
             'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
         },
-        'catalogue.bookstub': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'BookStub'},
-            'author': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
+        'catalogue.bookmedia': {
+            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
+            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
+            'extra_info': ('jsonfield.fields.JSONField', [], {'default': "'{}'"}),
+            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
             'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'pd': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'translator': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'translator_death': ('django.db.models.fields.TextField', [], {'blank': 'True'})
+            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
+            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
+            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
         },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
+        'catalogue.collection': {
+            'Meta': {'ordering': "('title',)", 'object_name': 'Collection'},
+            'book_slugs': ('django.db.models.fields.TextField', [], {}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'primary_key': 'True', 'db_index': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'})
         },
         'catalogue.fragment': {
             'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
             'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
             'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
             'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
@@ -242,16 +210,16 @@ class Migration(SchemaMigration):
         },
         'catalogue.tag': {
             'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
+            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
             'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'death': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
+            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
             'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
             'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
             'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
             'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
             'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
+            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
             'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
             'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
         },
diff --git a/apps/catalogue/migrations/0002_auto__add_field_book_daisy_file.py b/apps/catalogue/migrations/0002_auto__add_field_book_daisy_file.py
deleted file mode 100644
index 8f5c088ed..000000000
--- a/apps/catalogue/migrations/0002_auto__add_field_book_daisy_file.py
+++ /dev/null
@@ -1,150 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book.daisy_file'
-        db.add_column('catalogue_book', 'daisy_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'Book.daisy_file'
-        db.delete_column('catalogue_book', 'daisy_file')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}),
-            'daisy_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mp3_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'odt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'ogg_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookstub': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'BookStub'},
-            'author': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'pd': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'translator': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'translator_death': ('django.db.models.fields.TextField', [], {'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'death': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0003_auto__chg_field_book_created_at.py b/apps/catalogue/migrations/0003_auto__chg_field_book_created_at.py
deleted file mode 100644
index dc53778ce..000000000
--- a/apps/catalogue/migrations/0003_auto__chg_field_book_created_at.py
+++ /dev/null
@@ -1,150 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Changing field 'Book.created_at'
-        db.alter_column('catalogue_book', 'created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True))
-
-
-    def backwards(self, orm):
-        
-        # Changing field 'Book.created_at'
-        db.alter_column('catalogue_book', 'created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True))
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'daisy_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mp3_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'odt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'ogg_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookstub': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'BookStub'},
-            'author': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'pd': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'translator': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'translator_death': ('django.db.models.fields.TextField', [], {'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'death': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0004_auto__chg_field_tag_sort_key.py b/apps/catalogue/migrations/0004_auto__chg_field_tag_sort_key.py
deleted file mode 100644
index 557158ac5..000000000
--- a/apps/catalogue/migrations/0004_auto__chg_field_tag_sort_key.py
+++ /dev/null
@@ -1,168 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Changing field 'Tag.sort_key'
-        db.alter_column('catalogue_tag', 'sort_key', self.gf('django.db.models.fields.CharField')(max_length=120))
-
-        if not db.dry_run:
-            for tag in orm.Tag.objects.exclude(category__in=('set', 'author')):
-                tag.sort_key = tag.name.lower()
-                tag.save()
-            for tag in orm.Tag.objects.filter(category='author'):
-                tag.sort_key = tag.name[-len(tag.sort_key):].lower()
-                tag.save()
-
-
-
-    def backwards(self, orm):
-        # slugify all sort_keys
-        if not db.dry_run:
-            try:
-                from slughifi import slughifi as slugify
-            except ImportError:
-                from django.template.defaultfilters import slugify
-            for tag in orm.Tag.objects.all():
-                tag.sort_key = slugify(tag.sort_key)
-                tag.save()
-
-        # Changing field 'Tag.sort_key'
-        db.alter_column('catalogue_tag', 'sort_key', self.gf('django.db.models.fields.SlugField')(max_length=120))
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'daisy_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mp3_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'odt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'ogg_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookstub': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'BookStub'},
-            'author': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'pd': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'translator': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'translator_death': ('django.db.models.fields.TextField', [], {'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'death': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0005_many2many_files_for_books.py b/apps/catalogue/migrations/0005_many2many_files_for_books.py
deleted file mode 100644
index 0af3cba0a..000000000
--- a/apps/catalogue/migrations/0005_many2many_files_for_books.py
+++ /dev/null
@@ -1,272 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-from django.utils import simplejson as json
-from mutagen import id3
-
-
-def get_mp3_info(file):
-    """Retrieves artist and director names from audio ID3 tags."""
-    try:
-        audio = id3.ID3(file.path)
-        artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
-        director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
-    except:
-        artist_name = director_name = ''
-    return {'artist_name': artist_name, 'director_name': director_name}
-
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        # Adding model 'BookMedia'
-        db.create_table('catalogue_bookmedia', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('type', self.gf('django.db.models.fields.CharField')(max_length='100')),
-            ('name', self.gf('django.db.models.fields.CharField')(max_length='100', blank=True)),
-            ('file', self.gf('django.db.models.fields.files.FileField')(max_length=100, blank=True)),
-            ('uploaded_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
-            ('extra_info', self.gf('catalogue.fields.JSONField')(default='{}')),
-        ))
-        db.send_create_signal('catalogue', ['BookMedia'])
-
-        # Adding M2M table for field medias on 'Book'
-        db.create_table('catalogue_book_medias', (
-            ('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
-            ('book', models.ForeignKey(orm['catalogue.book'], null=False)),
-            ('bookmedia', models.ForeignKey(orm['catalogue.bookmedia'], null=False))
-        ))
-        db.create_unique('catalogue_book_medias', ['book_id', 'bookmedia_id'])
-
-        # Data migration
-        if not db.dry_run:
-            jsonencoder = json.JSONEncoder()
-            for book in orm['old.book'].objects.all():
-                medias = []
-                if book.odt_file:
-                    medias.append({"file": book.odt_file, "type": "odt"})
-                if book.daisy_file:
-                    medias.append({"file": book.daisy_file, "type": "daisy"})
-                if book.ogg_file:
-                    medias.append({"file": book.ogg_file, "type": "ogg"})
-                if book.mp3_file:
-                    medias.append({"file": book.mp3_file, "type": "mp3"})
-                newbook = orm.Book.objects.get(pk=book.pk)
-                for media in medias:
-                    name = book.title
-                    bookMedia = orm.BookMedia.objects.create(file=media['file'], type=media['type'], name=name)
-                    if bookMedia.type == 'mp3':
-                        bookMedia.extra_info = jsonencoder.encode(get_mp3_info(bookMedia.file))
-                        bookMedia.save()
-                    newbook.medias.add(bookMedia)
-
-        # Deleting field 'Book.odt_file'
-        db.delete_column('catalogue_book', 'odt_file')
-
-        # Deleting field 'Book.daisy_file'
-        db.delete_column('catalogue_book', 'daisy_file')
-
-        # Deleting field 'Book.ogg_file'
-        db.delete_column('catalogue_book', 'ogg_file')
-
-        # Deleting field 'Book.mp3_file'
-        db.delete_column('catalogue_book', 'mp3_file')
-
-        # Changing field 'Tag.main_page'
-        db.alter_column('catalogue_tag', 'main_page', self.gf('django.db.models.fields.BooleanField')(blank=True))
-
-
-    def backwards(self, orm):
-        # Deleting model 'BookMedia'
-        db.delete_table('catalogue_bookmedia')
-
-        # Adding field 'Book.odt_file'
-        db.add_column('catalogue_book', 'odt_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-        # Adding field 'Book.daisy_file'
-        db.add_column('catalogue_book', 'daisy_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-        # Adding field 'Book.ogg_file'
-        db.add_column('catalogue_book', 'ogg_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-        # Adding field 'Book.mp3_file'
-        db.add_column('catalogue_book', 'mp3_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-        # Removing M2M table for field medias on 'Book'
-        db.delete_table('catalogue_book_medias')
-
-        # Changing field 'Tag.main_page'
-        db.alter_column('catalogue_tag', 'main_page', self.gf('django.db.models.fields.BooleanField')())
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True', 'blank': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'blank': 'True'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'medias': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['catalogue.BookMedia']", 'symmetrical': 'False'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),            
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'object_name': 'BookMedia'},
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.bookstub': {
-            'Meta': {'object_name': 'BookStub'},
-            'author': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'pd': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'translator': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'translator_death': ('django.db.models.fields.TextField', [], {'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'death': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True', 'blank': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        },
-        'old.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book', 'db_table': "'catalogue_book'"},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'daisy_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mp3_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'odt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'ogg_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0006_auto__del_bookstub__del_field_tag_death.py b/apps/catalogue/migrations/0006_auto__del_bookstub__del_field_tag_death.py
deleted file mode 100644
index 5abf27e65..000000000
--- a/apps/catalogue/migrations/0006_auto__del_bookstub__del_field_tag_death.py
+++ /dev/null
@@ -1,160 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Deleting model 'BookStub'
-        db.delete_table('catalogue_bookstub')
-
-        # Deleting field 'Tag.death'
-        db.delete_column('catalogue_tag', 'death')
-
-
-    def backwards(self, orm):
-        
-        # Adding model 'BookStub'
-        db.create_table('catalogue_bookstub', (
-            ('title', self.gf('django.db.models.fields.CharField')(max_length=120)),
-            ('author', self.gf('django.db.models.fields.CharField')(max_length=120)),
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('translator', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('translator_death', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('pd', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True)),
-            ('slug', self.gf('django.db.models.fields.SlugField')(unique=True, max_length=120, db_index=True)),
-        ))
-        db.send_create_signal('catalogue', ['BookStub'])
-
-        # Adding field 'Tag.death'
-        db.add_column('catalogue_tag', 'death', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True), keep_default=False)
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'medias': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['catalogue.BookMedia']", 'symmetrical': 'False', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'", 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0007_auto__add_field_bookmedia_book.py b/apps/catalogue/migrations/0007_auto__add_field_bookmedia_book.py
deleted file mode 100644
index e48ef25dc..000000000
--- a/apps/catalogue/migrations/0007_auto__add_field_bookmedia_book.py
+++ /dev/null
@@ -1,146 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'BookMedia.book'
-        db.add_column('catalogue_bookmedia', 'book', self.gf('django.db.models.fields.related.ForeignKey')(related_name='media', null=True, to=orm['catalogue.Book']), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'BookMedia.book'
-        db.delete_column('catalogue_bookmedia', 'book_id')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'medias': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'book_set'", 'blank': 'True', 'to': "orm['catalogue.BookMedia']"}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0008_move_media.py b/apps/catalogue/migrations/0008_move_media.py
deleted file mode 100644
index 7428dea54..000000000
--- a/apps/catalogue/migrations/0008_move_media.py
+++ /dev/null
@@ -1,148 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import DataMigration
-from django.db import models
-
-class Migration(DataMigration):
-
-    def forwards(self, orm):
-        for media in orm.BookMedia.objects.all():
-            try:
-                media.book = media.book_set.all()[0]
-                media.save()
-            except IndexError, e:
-                media.delete()
-
-
-    def backwards(self, orm):
-        for media in orm.BookMedia.objects.all():
-            media.book_set = [media.book]
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'medias': ('django.db.models.fields.related.ManyToManyField', [], {'symmetrical': 'False', 'related_name': "'book_set'", 'blank': 'True', 'to': "orm['catalogue.BookMedia']"}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0009_auto.py b/apps/catalogue/migrations/0009_auto.py
deleted file mode 100644
index 9c8e5c978..000000000
--- a/apps/catalogue/migrations/0009_auto.py
+++ /dev/null
@@ -1,156 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Removing M2M table for field medias on 'Book'
-        db.delete_table('catalogue_book_medias')
-
-        # Changing field 'BookMedia.book'
-        db.alter_column('catalogue_bookmedia', 'book_id', self.gf('django.db.models.fields.related.ForeignKey')(default=0, to=orm['catalogue.Book']))
-
-
-    def backwards(self, orm):
-        
-        # Adding M2M table for field medias on 'Book'
-        db.create_table('catalogue_book_medias', (
-            ('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
-            ('book', models.ForeignKey(orm['catalogue.book'], null=False)),
-            ('bookmedia', models.ForeignKey(orm['catalogue.bookmedia'], null=False))
-        ))
-        db.create_unique('catalogue_book_medias', ['book_id', 'bookmedia_id'])
-
-        # Changing field 'BookMedia.book'
-        db.alter_column('catalogue_bookmedia', 'book_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['catalogue.Book']))
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0010_auto__add_field_bookmedia_source_sha1.py b/apps/catalogue/migrations/0010_auto__add_field_bookmedia_source_sha1.py
deleted file mode 100644
index e53de5539..000000000
--- a/apps/catalogue/migrations/0010_auto__add_field_bookmedia_source_sha1.py
+++ /dev/null
@@ -1,146 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'BookMedia.source_sha1'
-        db.add_column('catalogue_bookmedia', 'source_sha1', self.gf('django.db.models.fields.CharField')(max_length=40, null=True, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'BookMedia.source_sha1'
-        db.delete_column('catalogue_bookmedia', 'source_sha1')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0011_auto__add_field_book_changed_at__add_field_tag_created_at__add_field_t.py b/apps/catalogue/migrations/0011_auto__add_field_book_changed_at__add_field_tag_created_at__add_field_t.py
deleted file mode 100644
index 2f573ba1b..000000000
--- a/apps/catalogue/migrations/0011_auto__add_field_book_changed_at__add_field_tag_created_at__add_field_t.py
+++ /dev/null
@@ -1,167 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book.changed_at'
-        db.add_column('catalogue_book', 'changed_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, default=datetime.datetime(2011, 2, 25, 15, 19, 36, 525463), db_index=True, blank=True), keep_default=False)
-
-        # Adding index on 'Book', fields ['created_at']
-        db.create_index('catalogue_book', ['created_at'])
-
-        # Adding field 'Tag.created_at'
-        db.add_column('catalogue_tag', 'created_at', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, default=datetime.datetime(2011, 2, 25, 15, 19, 42, 921525), db_index=True, blank=True), keep_default=False)
-
-        # Adding field 'Tag.changed_at'
-        db.add_column('catalogue_tag', 'changed_at', self.gf('django.db.models.fields.DateTimeField')(auto_now=True, default=datetime.datetime(2011, 2, 25, 15, 19, 45, 697471), db_index=True, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Removing index on 'Book', fields ['created_at']
-        db.delete_index('catalogue_book', ['created_at'])
-
-        # Deleting field 'Book.changed_at'
-        db.delete_column('catalogue_book', 'changed_at')
-
-        # Deleting field 'Tag.created_at'
-        db.delete_column('catalogue_tag', 'created_at')
-
-        # Deleting field 'Tag.changed_at'
-        db.delete_column('catalogue_tag', 'changed_at')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '80', 'unique': 'True'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'max_length': '30', 'unique': 'True'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'children'", 'blank': 'True', 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'unique': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0012_auto__add_field_book_sort_key.py b/apps/catalogue/migrations/0012_auto__add_field_book_sort_key.py
deleted file mode 100644
index 466e8cc22..000000000
--- a/apps/catalogue/migrations/0012_auto__add_field_book_sort_key.py
+++ /dev/null
@@ -1,150 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book.sort_key'
-        db.add_column('catalogue_book', 'sort_key', self.gf('django.db.models.fields.CharField')(default='', max_length=120, db_index=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'Book.sort_key'
-        db.delete_column('catalogue_book', 'sort_key')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0013_sortify.py b/apps/catalogue/migrations/0013_sortify.py
deleted file mode 100644
index bc1218952..000000000
--- a/apps/catalogue/migrations/0013_sortify.py
+++ /dev/null
@@ -1,158 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import DataMigration
-from django.db import models
-
-from sortify import sortify
-
-
-class Migration(DataMigration):
-
-    def forwards(self, orm):
-        "Write your forwards methods here."
-
-        for b in orm.Book.objects.all():
-            b.sort_key = sortify(b.title)
-            b.save()
-
-        for t in orm.Tag.objects.all():
-            t.sort_key = sortify(t.sort_key)
-            t.save()
-
-
-    def backwards(self, orm):
-        "Write your backwards methods here."
-        pass
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0014_auto__chg_field_bookmedia_file.py b/apps/catalogue/migrations/0014_auto__chg_field_bookmedia_file.py
deleted file mode 100644
index 579a68191..000000000
--- a/apps/catalogue/migrations/0014_auto__chg_field_bookmedia_file.py
+++ /dev/null
@@ -1,150 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Changing field 'BookMedia.file'
-        db.alter_column('catalogue_bookmedia', 'file', self.gf('catalogue.fields.OverwritingFileField')(max_length=100))
-
-
-    def backwards(self, orm):
-        
-        # Changing field 'BookMedia.file'
-        db.alter_column('catalogue_bookmedia', 'file', self.gf('django.db.models.fields.files.FileField')(max_length=100))
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_tag_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            '_theme_counter': ('catalogue.fields.JSONField', [], {'null': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            '_short_html': ('django.db.models.fields.TextField', [], {}),
-            '_short_html_de': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_en': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_es': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_fr': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_lt': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_pl': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_ru': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            '_short_html_uk': ('django.db.models.fields.TextField', [], {'null': True, 'blank': True}),
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0015_auto__del_field_book__short_html_en__del_field_book__short_html_es__de.py b/apps/catalogue/migrations/0015_auto__del_field_book__short_html_en__del_field_book__short_html_es__de.py
deleted file mode 100644
index 72acef980..000000000
--- a/apps/catalogue/migrations/0015_auto__del_field_book__short_html_en__del_field_book__short_html_es__de.py
+++ /dev/null
@@ -1,244 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Deleting field 'Book._short_html_en'
-        db.delete_column('catalogue_book', '_short_html_en')
-
-        # Deleting field 'Book._short_html_es'
-        db.delete_column('catalogue_book', '_short_html_es')
-
-        # Deleting field 'Book._theme_counter'
-        db.delete_column('catalogue_book', '_theme_counter')
-
-        # Deleting field 'Book._short_html_de'
-        db.delete_column('catalogue_book', '_short_html_de')
-
-        # Deleting field 'Book._short_html_fr'
-        db.delete_column('catalogue_book', '_short_html_fr')
-
-        # Deleting field 'Book._short_html_uk'
-        db.delete_column('catalogue_book', '_short_html_uk')
-
-        # Deleting field 'Book._short_html_pl'
-        db.delete_column('catalogue_book', '_short_html_pl')
-
-        # Deleting field 'Book._short_html_lt'
-        db.delete_column('catalogue_book', '_short_html_lt')
-
-        # Deleting field 'Book._short_html_ru'
-        db.delete_column('catalogue_book', '_short_html_ru')
-
-        # Deleting field 'Book._short_html'
-        db.delete_column('catalogue_book', '_short_html')
-
-        # Deleting field 'Book._tag_counter'
-        db.delete_column('catalogue_book', '_tag_counter')
-
-        # Deleting field 'Fragment._short_html_de'
-        db.delete_column('catalogue_fragment', '_short_html_de')
-
-        # Deleting field 'Fragment._short_html_en'
-        db.delete_column('catalogue_fragment', '_short_html_en')
-
-        # Deleting field 'Fragment._short_html_fr'
-        db.delete_column('catalogue_fragment', '_short_html_fr')
-
-        # Deleting field 'Fragment._short_html_es'
-        db.delete_column('catalogue_fragment', '_short_html_es')
-
-        # Deleting field 'Fragment._short_html_uk'
-        db.delete_column('catalogue_fragment', '_short_html_uk')
-
-        # Deleting field 'Fragment._short_html_pl'
-        db.delete_column('catalogue_fragment', '_short_html_pl')
-
-        # Deleting field 'Fragment._short_html_lt'
-        db.delete_column('catalogue_fragment', '_short_html_lt')
-
-        # Deleting field 'Fragment._short_html_ru'
-        db.delete_column('catalogue_fragment', '_short_html_ru')
-
-        # Deleting field 'Fragment._short_html'
-        db.delete_column('catalogue_fragment', '_short_html')
-
-
-    def backwards(self, orm):
-        
-        # Adding field 'Book._short_html_en'
-        db.add_column('catalogue_book', '_short_html_en', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_es'
-        db.add_column('catalogue_book', '_short_html_es', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._theme_counter'
-        db.add_column('catalogue_book', '_theme_counter', self.gf('catalogue.fields.JSONField')(null=True), keep_default=False)
-
-        # Adding field 'Book._short_html_de'
-        db.add_column('catalogue_book', '_short_html_de', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_fr'
-        db.add_column('catalogue_book', '_short_html_fr', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_uk'
-        db.add_column('catalogue_book', '_short_html_uk', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_pl'
-        db.add_column('catalogue_book', '_short_html_pl', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_lt'
-        db.add_column('catalogue_book', '_short_html_lt', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html_ru'
-        db.add_column('catalogue_book', '_short_html_ru', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Book._short_html'
-        db.add_column('catalogue_book', '_short_html', self.gf('django.db.models.fields.TextField')(default=''), keep_default=False)
-
-        # Adding field 'Book._tag_counter'
-        db.add_column('catalogue_book', '_tag_counter', self.gf('catalogue.fields.JSONField')(null=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_de'
-        db.add_column('catalogue_fragment', '_short_html_de', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_en'
-        db.add_column('catalogue_fragment', '_short_html_en', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_fr'
-        db.add_column('catalogue_fragment', '_short_html_fr', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_es'
-        db.add_column('catalogue_fragment', '_short_html_es', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_uk'
-        db.add_column('catalogue_fragment', '_short_html_uk', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_pl'
-        db.add_column('catalogue_fragment', '_short_html_pl', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_lt'
-        db.add_column('catalogue_fragment', '_short_html_lt', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html_ru'
-        db.add_column('catalogue_fragment', '_short_html_ru', self.gf('django.db.models.fields.TextField')(null=True, blank=True), keep_default=False)
-
-        # Adding field 'Fragment._short_html'
-        db.add_column('catalogue_fragment', '_short_html', self.gf('django.db.models.fields.TextField')(default=''), keep_default=False)
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0016_auto__add_field_book_mobi_file.py b/apps/catalogue/migrations/0016_auto__add_field_book_mobi_file.py
deleted file mode 100644
index 87faf6bc2..000000000
--- a/apps/catalogue/migrations/0016_auto__add_field_book_mobi_file.py
+++ /dev/null
@@ -1,131 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book.mobi_file'
-        db.add_column('catalogue_book', 'mobi_file', self.gf('django.db.models.fields.files.FileField')(default='', max_length=100, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'Book.mobi_file'
-        db.delete_column('catalogue_book', 'mobi_file')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0017_auto__add_field_book_language__del_unique_book_slug__add_unique_book_s.py b/apps/catalogue/migrations/0017_auto__add_field_book_language__del_unique_book_slug__add_unique_book_s.py
deleted file mode 100644
index 6d1edcfa1..000000000
--- a/apps/catalogue/migrations/0017_auto__add_field_book_language__del_unique_book_slug__add_unique_book_s.py
+++ /dev/null
@@ -1,144 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Removing unique constraint on 'Book', fields ['slug']
-        db.delete_unique('catalogue_book', ['slug'])
-
-        # Adding field 'Book.language'
-        db.add_column('catalogue_book', 'language', self.gf('django.db.models.fields.CharField')(default='pol', max_length=3, db_index=True), keep_default=False)
-
-        # Adding unique constraint on 'Book', fields ['slug', 'language']
-        db.create_unique('catalogue_book', ['slug', 'language'])
-
-
-    def backwards(self, orm):
-        
-        # Removing unique constraint on 'Book', fields ['slug', 'language']
-        db.delete_unique('catalogue_book', ['slug', 'language'])
-
-        # Deleting field 'Book.language'
-        db.delete_column('catalogue_book', 'language')
-
-        # Adding unique constraint on 'Book', fields ['slug']
-        db.create_unique('catalogue_book', ['slug'])
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "[['slug', 'language']]", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.filerecord': {
-            'Meta': {'ordering': "('-time', '-slug', '-type')", 'object_name': 'FileRecord'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'sha1': ('django.db.models.fields.CharField', [], {'max_length': '40'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'time': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '20', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0018_auto__del_filerecord.py b/apps/catalogue/migrations/0018_auto__del_filerecord.py
deleted file mode 100644
index 66a6542a3..000000000
--- a/apps/catalogue/migrations/0018_auto__del_filerecord.py
+++ /dev/null
@@ -1,131 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Deleting model 'FileRecord'
-        db.delete_table('catalogue_filerecord')
-
-
-    def backwards(self, orm):
-        
-        # Adding model 'FileRecord'
-        db.create_table('catalogue_filerecord', (
-            ('sha1', self.gf('django.db.models.fields.CharField')(max_length=40)),
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('time', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
-            ('type', self.gf('django.db.models.fields.CharField')(max_length=20, db_index=True)),
-            ('slug', self.gf('django.db.models.fields.SlugField')(max_length=120, db_index=True)),
-        ))
-        db.send_create_signal('catalogue', ['FileRecord'])
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "[['slug', 'language']]", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0019_auto__add_field_book_cover.py b/apps/catalogue/migrations/0019_auto__add_field_book_cover.py
deleted file mode 100644
index 259d935ba..000000000
--- a/apps/catalogue/migrations/0019_auto__add_field_book_cover.py
+++ /dev/null
@@ -1,125 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book.cover'
-        db.add_column('catalogue_book', 'cover', self.gf('django.db.models.fields.files.FileField')(max_length=100, null=True, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'Book.cover'
-        db.delete_column('catalogue_book', 'cover')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "[['slug', 'language']]", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'main_page': ('django.db.models.fields.BooleanField', [], {'default': 'False', 'db_index': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0020_auto__del_field_tag_main_page.py b/apps/catalogue/migrations/0020_auto__del_field_tag_main_page.py
deleted file mode 100644
index e9f77946e..000000000
--- a/apps/catalogue/migrations/0020_auto__del_field_tag_main_page.py
+++ /dev/null
@@ -1,124 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Deleting field 'Tag.main_page'
-        db.delete_column('catalogue_tag', 'main_page')
-
-
-    def backwards(self, orm):
-        
-        # Adding field 'Tag.main_page'
-        db.add_column('catalogue_tag', 'main_page', self.gf('django.db.models.fields.BooleanField')(default=False, db_index=True), keep_default=False)
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "[['slug', 'language']]", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0021_build_covers.py b/apps/catalogue/migrations/0021_build_covers.py
deleted file mode 100644
index 319decb18..000000000
--- a/apps/catalogue/migrations/0021_build_covers.py
+++ /dev/null
@@ -1,137 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import DataMigration
-from django.db import models
-
-class Migration(DataMigration):
-
-    def forwards(self, orm):
-        "Write your forwards methods here."
-        from StringIO import StringIO
-        from django.core.files.base import ContentFile
-        from librarian import ValidationError
-        from librarian.cover import WLCover
-        from librarian.dcparser import BookInfo
-
-        for book in orm.Book.objects.filter(cover=None):
-            try:
-                book_info = BookInfo.from_file(book.xml_file.path)
-            except ValidationError:
-                pass
-            else:
-                cover = WLCover(book_info).image()
-                imgstr = StringIO()
-                cover.save(imgstr, 'png')
-                book.cover.save('book/png/%s.png' % book.slug,
-                    ContentFile(imgstr.getvalue()))
-
-
-    def backwards(self, orm):
-        "Write your backwards methods here."
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "[['slug', 'language']]", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0022_auto__add_field_book_common_slug__add_unique_book_slug__del_unique_boo.py b/apps/catalogue/migrations/0022_auto__add_field_book_common_slug__add_unique_book_slug__del_unique_boo.py
deleted file mode 100644
index 75a1c99f4..000000000
--- a/apps/catalogue/migrations/0022_auto__add_field_book_common_slug__add_unique_book_slug__del_unique_boo.py
+++ /dev/null
@@ -1,137 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Removing unique constraint on 'Book', fields ['slug', 'language']
-        db.delete_unique('catalogue_book', ['slug', 'language'])
-
-        # Adding field 'Book.common_slug'
-        db.add_column('catalogue_book', 'common_slug', self.gf('django.db.models.fields.SlugField')(default='-', max_length=120, db_index=True), keep_default=False)
-
-        # Adding unique constraint on 'Book', fields ['slug']
-        db.create_unique('catalogue_book', ['slug'])
-
-
-    def backwards(self, orm):
-        
-        # Removing unique constraint on 'Book', fields ['slug']
-        db.delete_unique('catalogue_book', ['slug'])
-
-        # Deleting field 'Book.common_slug'
-        db.delete_column('catalogue_book', 'common_slug')
-
-        # Adding unique constraint on 'Book', fields ['slug', 'language']
-        db.create_unique('catalogue_book', ['slug', 'language'])
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0023_common_slug.py b/apps/catalogue/migrations/0023_common_slug.py
deleted file mode 100644
index 386314915..000000000
--- a/apps/catalogue/migrations/0023_common_slug.py
+++ /dev/null
@@ -1,123 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import DataMigration
-from django.db import models
-
-class Migration(DataMigration):
-
-    def forwards(self, orm):
-        "Write your forwards methods here."
-        orm.Book.objects.all().update(common_slug=models.F('slug'))
-
-
-    def backwards(self, orm):
-        "Write your backwards methods here."
-        pass
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0024_auto__add_collection.py b/apps/catalogue/migrations/0024_auto__add_collection.py
deleted file mode 100644
index e2e21007d..000000000
--- a/apps/catalogue/migrations/0024_auto__add_collection.py
+++ /dev/null
@@ -1,138 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding model 'Collection'
-        db.create_table('catalogue_collection', (
-            ('title', self.gf('django.db.models.fields.CharField')(max_length=120, db_index=True)),
-            ('slug', self.gf('django.db.models.fields.SlugField')(max_length=120, primary_key=True, db_index=True)),
-            ('description', self.gf('django.db.models.fields.TextField')(null=True, blank=True)),
-            ('book_slugs', self.gf('django.db.models.fields.TextField')()),
-        ))
-        db.send_create_signal('catalogue', ['Collection'])
-
-
-    def backwards(self, orm):
-        
-        # Deleting model 'Collection'
-        db.delete_table('catalogue_collection')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.collection': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Collection'},
-            'book_slugs': ('django.db.models.fields.TextField', [], {}),
-            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'primary_key': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0025_auto__add_field_book__related_info.py b/apps/catalogue/migrations/0025_auto__add_field_book__related_info.py
deleted file mode 100644
index a46e34d0e..000000000
--- a/apps/catalogue/migrations/0025_auto__add_field_book__related_info.py
+++ /dev/null
@@ -1,133 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding field 'Book._related_info'
-        db.add_column('catalogue_book', '_related_info', self.gf('jsonfield.fields.JSONField')(null=True, blank=True), keep_default=False)
-
-
-    def backwards(self, orm):
-        
-        # Deleting field 'Book._related_info'
-        db.delete_column('catalogue_book', '_related_info')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            '_related_info': ('jsonfield.fields.JSONField', [], {'null': 'True', 'blank': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.collection': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Collection'},
-            'book_slugs': ('django.db.models.fields.TextField', [], {}),
-            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'primary_key': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/migrations/0026_set_names.py b/apps/catalogue/migrations/0026_set_names.py
deleted file mode 100644
index 837e4d034..000000000
--- a/apps/catalogue/migrations/0026_set_names.py
+++ /dev/null
@@ -1,132 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import DataMigration
-from django.db import models
-
-class Migration(DataMigration):
-
-    def forwards(self, orm):
-        "Write your forwards methods here."
-        for tag in orm.Tag.objects.filter(category='set', name__contains=','):
-            tag.name = tag.name.replace(', ', ' ').replace(',', ' ')
-            tag.save()
-
-
-    def backwards(self, orm):
-        "Write your backwards methods here."
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'catalogue.book': {
-            'Meta': {'ordering': "('sort_key',)", 'object_name': 'Book'},
-            '_related_info': ('jsonfield.fields.JSONField', [], {'null': 'True', 'blank': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'common_slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'cover': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'epub_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'language': ('django.db.models.fields.CharField', [], {'default': "'pol'", 'max_length': '3', 'db_index': 'True'}),
-            'mobi_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'children'", 'null': 'True', 'to': "orm['catalogue.Book']"}),
-            'parent_number': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
-            'pdf_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'txt_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'blank': 'True'})
-        },
-        'catalogue.bookmedia': {
-            'Meta': {'ordering': "('type', 'name')", 'object_name': 'BookMedia'},
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['catalogue.Book']"}),
-            'extra_info': ('catalogue.fields.JSONField', [], {'default': "'{}'"}),
-            'file': ('catalogue.fields.OverwritingFileField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'source_sha1': ('django.db.models.fields.CharField', [], {'max_length': '40', 'null': 'True', 'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': "'100'"}),
-            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
-        },
-        'catalogue.collection': {
-            'Meta': {'ordering': "('title',)", 'object_name': 'Collection'},
-            'book_slugs': ('django.db.models.fields.TextField', [], {}),
-            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'primary_key': 'True', 'db_index': 'True'}),
-            'title': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'})
-        },
-        'catalogue.fragment': {
-            'Meta': {'ordering': "('book', 'anchor')", 'object_name': 'Fragment'},
-            'anchor': ('django.db.models.fields.CharField', [], {'max_length': '120'}),
-            'book': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'fragments'", 'to': "orm['catalogue.Book']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'short_text': ('django.db.models.fields.TextField', [], {}),
-            'text': ('django.db.models.fields.TextField', [], {})
-        },
-        'catalogue.tag': {
-            'Meta': {'ordering': "('sort_key',)", 'unique_together': "(('slug', 'category'),)", 'object_name': 'Tag'},
-            'book_count': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}),
-            'category': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'changed_at': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'db_index': 'True', 'blank': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'gazeta_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
-            'slug': ('django.db.models.fields.SlugField', [], {'max_length': '120', 'db_index': 'True'}),
-            'sort_key': ('django.db.models.fields.CharField', [], {'max_length': '120', 'db_index': 'True'}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}),
-            'wiki_link': ('django.db.models.fields.CharField', [], {'max_length': '240', 'blank': 'True'})
-        },
-        'catalogue.tagrelation': {
-            'Meta': {'unique_together': "(('tag', 'content_type', 'object_id'),)", 'object_name': 'TagRelation', 'db_table': "'catalogue_tag_relation'"},
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'object_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
-            'tag': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'items'", 'to': "orm['catalogue.Tag']"})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        }
-    }
-
-    complete_apps = ['catalogue']
diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index ba1a5d203..72cbeda39 100644
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -22,7 +22,7 @@ from django.conf import settings
 
 from newtagging.models import TagBase, tags_updated
 from newtagging import managers
-from catalogue.fields import JSONField, OverwritingFileField
+from catalogue.fields import OverwritingFileField
 from catalogue.utils import create_zip, split_tags, truncate_html_words
 from catalogue import tasks
 import re
@@ -115,8 +115,8 @@ class Tag(TagBase):
             objects = Book.tagged.with_all((self,)).order_by()
             if self.category != 'set':
                 # eliminate descendants
-                l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects])
-                descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags)]
+                l_tags = Tag.objects.filter(slug__in=[book.book_tag_slug() for book in objects.iterator()])
+                descendants_keys = [book.pk for book in Book.tagged.with_any(l_tags).iterator()]
                 if descendants_keys:
                     objects = objects.exclude(pk__in=descendants_keys)
         return objects.count()
@@ -226,7 +226,7 @@ class BookMedia(models.Model):
     name        = models.CharField(_('name'), max_length="100")
     file        = OverwritingFileField(_('file'), upload_to=book_upload_path())
     uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
-    extra_info  = JSONField(_('extra information'), default='{}', editable=False)
+    extra_info  = jsonfield.JSONField(_('extra information'), default='{}', editable=False)
     book = models.ForeignKey('Book', related_name='media')
     source_sha1 = models.CharField(null=True, blank=True, max_length=40, editable=False)
 
@@ -258,9 +258,9 @@ class BookMedia(models.Model):
             remove_zip("%s_%s" % (old.book.slug, old.type))
         remove_zip("%s_%s" % (self.book.slug, self.type))
 
-        extra_info = self.get_extra_info_value()
+        extra_info = self.extra_info
         extra_info.update(self.read_meta())
-        self.set_extra_info_value(extra_info)
+        self.extra_info = extra_info
         self.source_sha1 = self.read_source_sha1(self.file.path, self.type)
         return super(BookMedia, self).save(*args, **kwargs)
 
@@ -334,7 +334,7 @@ class Book(models.Model):
     created_at    = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
     changed_at    = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
     parent_number = models.IntegerField(_('parent number'), default=0)
-    extra_info    = JSONField(_('extra information'), default='{}')
+    extra_info    = jsonfield.JSONField(_('extra information'), default='{}')
     gazeta_link   = models.CharField(blank=True, max_length=240)
     wiki_link     = models.CharField(blank=True, max_length=240)
     # files generated during publication
@@ -428,7 +428,7 @@ class Book(models.Model):
 
         type(self).objects.filter(pk=self.pk).update(_related_info=None)
         # Fragment.short_html relies on book's tags, so reset it here too
-        for fragm in self.fragments.all():
+        for fragm in self.fragments.all().iterator():
             fragm.reset_short_html()
 
     def has_description(self):
@@ -545,14 +545,14 @@ class Book(models.Model):
     def zip_format(format_):
         def pretty_file_name(book):
             return "%s/%s.%s" % (
-                b.get_extra_info_value()['author'],
+                b.extra_info['author'],
                 b.slug,
                 format_)
 
         field_name = "%s_file" % format_
         books = Book.objects.filter(parent=None).exclude(**{field_name: ""})
         paths = [(pretty_file_name(b), getattr(b, field_name).path)
-                    for b in books]
+                    for b in books.iterator()]
         return create_zip(paths,
                     getattr(settings, "ALL_%s_ZIP" % format_.upper()))
 
@@ -628,7 +628,7 @@ class Book(models.Model):
             book.common_slug = book_info.variant_of.slug
         else:
             book.common_slug = book.slug
-        book.set_extra_info_value(book_info.to_dict())
+        book.extra_info = book_info.to_dict()
         book.save()
 
         meta_tags = Tag.tags_from_info(book_info)
@@ -675,7 +675,7 @@ class Book(models.Model):
             descendants_tags.update(child_book.tags)
             child_book.tags = list(child_book.tags) + [book_tag]
             child_book.save()
-            for fragment in child_book.fragments.all():
+            for fragment in child_book.fragments.all().iterator():
                 fragment.tags = set(list(fragment.tags) + [book_tag])
             book_descendants += list(child_book.children.all())
 
@@ -723,7 +723,7 @@ class Book(models.Model):
 
     def related_themes(self):
         theme_counter = self.theme_counter
-        book_themes = Tag.objects.filter(pk__in=theme_counter.keys())
+        book_themes = list(Tag.objects.filter(pk__in=theme_counter.keys()))
         for tag in book_themes:
             tag.count = theme_counter[tag.pk]
         return book_themes
@@ -747,10 +747,10 @@ class Book(models.Model):
 
         if tags is None:
             tags = {}
-            for child in self.children.all().order_by():
+            for child in self.children.all().order_by().iterator():
                 for tag_pk, value in child.tag_counter.iteritems():
                     tags[tag_pk] = tags.get(tag_pk, 0) + value
-            for tag in self.tags.exclude(category__in=('book', 'theme', 'set')).order_by():
+            for tag in self.tags.exclude(category__in=('book', 'theme', 'set')).order_by().iterator():
                 tags[tag.pk] = 1
 
             if self.id:
@@ -776,8 +776,8 @@ class Book(models.Model):
 
         if tags is None:
             tags = {}
-            for fragment in Fragment.tagged.with_any([self.book_tag()]).order_by():
-                for tag in fragment.tags.filter(category='theme').order_by():
+            for fragment in Fragment.tagged.with_any([self.book_tag()]).order_by().iterator():
+                for tag in fragment.tags.filter(category='theme').order_by().iterator():
                     tags[tag.pk] = tags.get(tag.pk, 0) + 1
 
             if self.id:
@@ -812,8 +812,9 @@ class Book(models.Model):
         # get relevant books and their tags
         objects = cls.tagged.with_all(tags)
         # eliminate descendants
-        l_tags = Tag.objects.filter(category='book', slug__in=[book.book_tag_slug() for book in objects])
-        descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags)]
+        l_tags = Tag.objects.filter(category='book',
+            slug__in=[book.book_tag_slug() for book in objects.iterator()])
+        descendants_keys = [book.pk for book in cls.tagged.with_any(l_tags).iterator()]
         if descendants_keys:
             objects = objects.exclude(pk__in=descendants_keys)
 
@@ -832,19 +833,20 @@ class Book(models.Model):
                 'title', 'parent', 'slug')
         if filter:
             books = books.filter(filter).distinct()
-            book_ids = set((book.pk for book in books))
-            for book in books:
+            
+            book_ids = set(b['pk'] for b in books.values("pk").iterator())
+            for book in books.iterator():
                 parent = book.parent_id
                 if parent not in book_ids:
                     parent = None
                 books_by_parent.setdefault(parent, []).append(book)
         else:
-            for book in books:
+            for book in books.iterator():
                 books_by_parent.setdefault(book.parent_id, []).append(book)
 
         orphans = []
         books_by_author = SortedDict()
-        for tag in Tag.objects.filter(category='author'):
+        for tag in Tag.objects.filter(category='author').iterator():
             books_by_author[tag] = []
 
         for book in books_by_parent.get(None,()):
@@ -866,7 +868,7 @@ class Book(models.Model):
         "LP": (3, u"liceum"),
     }
     def audiences_pl(self):
-        audiences = self.get_extra_info_value().get('audiences', [])
+        audiences = self.extra_info.get('audiences', [])
         audiences = sorted(set([self._audiences_pl[a] for a in audiences]))
         return [a[1] for a in audiences]
 
diff --git a/apps/catalogue/templates/catalogue/book_info.html b/apps/catalogue/templates/catalogue/book_info.html
index 670679e28..e9f351258 100755
--- a/apps/catalogue/templates/catalogue/book_info.html
+++ b/apps/catalogue/templates/catalogue/book_info.html
@@ -2,9 +2,9 @@
 {% load catalogue_tags %}