Added support for Google In-app Billing v3
Merge branch 'master' into IABv3

Conflicts:
	SoomlaAndroidStore/src/com/soomla/billing/Security.java
	SoomlaAndroidStore/src/com/soomla/store/StoreController.java
Updated project files
Removed inheritance from StoreActivity
Added StoreActivity and removed BillingService/Receiver
This now finish()es the activity on error
Updated class to use new design, purchasing is done through here now
Added launching of StoreActivity to complete purchase
Doesn't rely on buyWithGooglePlay to return anything now... because it doesn't
Renamed activity
Renamed activity
Added openStore()
Added closeStore()
Made this more compatible with previous version
Moved IabActivity into StoreController
Cleaned up some redundant functions
Made sure old stuff doesn't break by adding deprecated
Added docstring about IabActivity
More cleanups
Removed debugging of IabHelper