added gcm manifest entries
added GooglePlayServices class to check for the GooglePlaySdk
added GcmRegistration class to handle gcm registration
fixed NullPointerException
fixed wrong copy-pasted name
added test push notification handler
added register device and refactored notification routing
refactored bundle to JSONOject
added new open space notification icons
scaled the push notification icons
added doorstatus_notification_small icon
removed test notification handler in main activity
version bump
added runtime exceptions
version bump