Massive refactoring to IAB
Merge branch 'master' into decoupleIAB

* master:
  fixed config in SoomlaAndroidExample/SoomlaAndroidExample.iml
Finished work on separating Google IAB and leaving only necessary classes
Still Needs to be tested
Moved Google related files to more relevant package name
Completed the splitting of Google Play Billing and added it as a submodule
merged master
Fixed for the new main feature - detaching of Google Play
Fixed for new changes