12/05/2016
* Implemented timeout for automatic
sync, when game starts - so now when no resume position is received
from cloud in 6s from signing in, game starts using local state
only.
12/03/2016:
* Game should now start even when Play
Games services initialization fails
* Game is now available for devices with
Android 4.1 and newer
* Integrated expansion file downloader
providing assets in case they are not downloaded during
installation