public domain counter:

  +catalogue.models.BookStub: books we don't have yet
  +catalogue.models.Tag.death: author's death year
  PD counter for deceased authors and their books
  jquery.countdown 1.5.7, modified (i18n, l10n-pl)

search:
  search for beginnings of words, not icontains
  search for BookStubs also
  submit right after selecting a tag
  info when nothing is found
  jquery.autocomplete to 1.1

jquery to 1.4.2 (we want .closest())

postgresql compatibility:
  standardized quoting
  group by all tags outside aggregates