Bumping AeroGear version
Initial Push Support
dropping google-play-services from the maven-android-sdk-deployer workaround
Creating notification methods
Updating the code to use the GCM style publishied at IO 2013.

Previously, the code was based on the older GCM libraries.
Adding a default notifier option
updated compatibility-v4 lib version
avoid more warnings from Android libraries
Add HTTP Basic to Push
Renamed mobileVariantId and mobileSecret
Removing the ability to set a broadcast receiver at runtime.
Updating Android dependency versions
Rename the GCM message receiver
For AGPUSH-229 renaming the 'mobileOperatingSystem' to 'operatingSystem'
Added new prerequisites
Adding in unregister method
Adding REST Provider for Push
Removing setPasswordAuthentication
Extracting Registrar into interface and implementation
Moving AGGCMPushRegistrar to impl package