Send all GCM in batch mode
Use the collapse_key when sending GCM
Convert the update information to json and use it at payload of the GCM
updateHighscoreList gcm has the correct json included
Fix for the score screen on non-Nexus devices
Formatting fixes
All parts of the app are now using the same method to retrieve the endpoint
Debug build of the app now uses the dev instance of the backend endpoint
Fix to send the correct json (same as cloud endpoints json) into GCMessage
Removed some annotations that are no longer needed
Client app will use the payload json when it's available in the GCMessage
Optimized json payload in GCMessage to the maximum
Removed unneeded annotations
Removed whitespace in GCMessage json to make the change bigger it will fit in the 4kb limit
Removed unneeded annotation
Removed unneeded class
Merge pull request #7 from peerke/GCMImprovements

Gcm improvements