Move on to multiple rooms
Query multiple rooms from server
Multiple room chat room works

TODO: migrate joining and leaving to singleton
Move chat room to application

TODO: move initiation and deinit to application
Move init deinit to application
Fixed memory leak when removing room

TODO: load textview and chat into memory
Ironed out retaining chatroom instance
Fix bug with direction-less message
automatically sorted user list
Stabilize color
Merge remote-tracking branch 'upstream/master'