removed t and f 's from group model

removed t and f 's from user model as mentioned in #919
removed t and f 's from group model

removed t and f 's from user model as mentioned in #919

removed t's and f's from category model
merged postgres improvements
keep French localization up to date

:fr:
remove hardcoded value and replace with SiteSetting.cas_domainname
work in progress, live unread / new counters
work in progress live unread / new counts
work in progress, live unread and new counts
highlight logic changed
gmefile lock
more progress towards live unread and new counts, unread message implemented, still to implement delete messages
Add message format support that can be used on complex localization strings
Add message about new and unread topics at the bottom of topics
move localization helper into lib
read state is now published
correct watcher, live updates for unread
make precompile happier
missing message format files
refactored and tested AvatarLookup

less array copying

Avoid N queries
fix bugs with sync being wonky
Keep German translations in sync.
Merge pull request #925 from netzpirat/update-german-translations

Keep German translations in sync.