adjust api level wrapping
linked conference room
linked conference
don't show avatar on initial account creation
fixed #633
UI code refactoring
bug fixes for the previous ui refactoring
Merge pull request #549 from emdete/p2

adjust api level wrapping
update conversation fragment on every backend connect
check if socket was null before doing ssl connect
got rid of MTM and mRandom variable in favor of using a reference to service
use proper theme for MTM
fixed #634
version bump to 0.8.3 + changelog
bumped gradle files + changelog
Add jxmpp-stringprep-libidn dependency
Add first attempt at JID class
Improve JID error handling
Use factories to generate JIDs
Move a chunk of classes over to using JID objects