#468 integrate ua library
#468 add urban lib jar
#468,#469,#470 push package
#468 manifest change for urban
 #476 library change to decouple UI from account status
#468 refactor OPNotificationBuilder.java to work for push notification
#476 modify layout to support login from any activity
 #476 push all good
Merge branch '20140401-dev-stable' into feature-20140729-push-urbanairship
#468 use Camel case
 #468 add defensive check