Added Google Geocoder/Places model classes
Moved third party libraries initialisation to addThirdPartyLibraries()
Changed android:launchMode to singletop
Added FLAG_ACTIVITY_CLEAR_TOP | FLAG_ACTIVITY_SINGLE_TOP to Intent in sendNotification()
General cleanup: fixed GCMIntent constructor bug, improved encapsulation of GCMRegistration, added Gasp Push Server URI to SharedPreferences
getRegistrationId() now private