* fix bug navigation bar cause crash on iOS7
Merge remote-tracking branch 'origin/master'
* fix navigation bar when back from chat to chat list.
* fix bugs in Snapshot.
* fix bug like/nope in Snapshot
! remove unused view controller.
Merge remote-tracking branch 'origin/master'
! remove unused view controller
* fix bug view profile from chat view.
Merge remote-tracking branch 'origin/master'
! update new language file strings for Germany
Merge remote-tracking branch 'origin/master'
- change background chat message.