- Added GCM Support
- Removed FriendsList tab
- Added Notification tab
- Added DB support
- Created a new model (notification)
- Implemented Notification Handler (Save to db and display a toast to the user after successfully
  saved the notification)
- Implemented NotificationDisplay Adapter
- Implemented View to read the notification
- Edit AndroidManifest to support GCM receiver and handler
- Implemented Date and Time converter (long to string)
- Added and implemented new interface (communication interface) between activity and fragment to send the id
  from the notification list to notification details fragment
- Implemented Different DB handler method (CURD)