Removed UI from ApiController
-Splitted API Client Init and Play Services/Account init.
-Added ProgressBar in CalendarPicker
Added CalendarFetcher and progressbar update
!!!Auth is not working!!!
-Added Debug Settings
-Added Keyring
-Rewritten oAuth2 management (still problems with threads for
login/calendar and Permissions)
-Added Listener for AsyncTask
-Unified Api and Account Controller
Merge remote-tracking branch 'origin/edodevelop' into paoloDevelop
merge with edodevelop branch