Changed MainActivity to use new GoogleCloudMessaging API
Changed GCMIntentService to subclass IntentService
Refactored notification code and removed old GCM broadcast service from manifest
Added GCMBroadcastReceiver TODO: change to WakefulBroadcastReceiver
Refactored CommonUtilities/ServerUtilities into GCMUtilities
Completed update to GoogleCloudMessaging API
Completed update to GoogleCloudMessaging API - removed redundant BroadcastReceiver from MainActivity
Completed update to GoogleCloudMessaging API - removed redundant Log message from GCMIntentService