Fixes #3509: support for long titles.
Fixes #3405: no annotations in pictures.
Fixes #3506: active picture links.
Fixes #3211, fixes #3211: related books and pictures bars.
Some dictionary filtering features.
Fixes #3396: More pictures info.
Fixes #3511: capitalize objects.
Fixes #3393: sponsor logo on picture viewer page.
Minor fixes in picture publishing process.
Nicer dictionary filtering.
Fix paths in pictures migrations.
Minor presentation fixes.
Notes dictionary: language names.