Added persistent settings

BUG: can't click on AdminFAB
Merge pull request #27 from usik/master

Added Rounded Corners on Cards.
Added icons to sign in dialog
Merge branch 'persistent-logged-in'
Added onPause and onResume
Merge pull request #28 from usik/master

Made the cards rectangular and 3D
done all FAB issues
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/com/example/campuseventsapp/MainActivity.java
Merged with Omair, one last thing I am updating
ALL BUGS FIXED!!! :)
changed color of action bars