fix initData
fix settingsActivity (extends SherlockPreferenceActivity)-> button in
action bar enable
fix
Fix helpdialog issue
Fixed bug with ordering
AC url specified
Merge remote-tracking branch 'origin/2013-10-15_oauth2' into
2013-10-28_oauth_newStyle

Conflicts:
	src/eu/trentorise/smartcampus/communicator/HomeActivity.java
	src/eu/trentorise/smartcampus/communicator/preferences/SettingsActivity.java