Using official Google Ads pod
The `documentation` DSL directive of the podspec format has been deprecated.
Interstitial is not dealloc’d on errors
Refactor
Intoducing the concept of DFP
Instantiating different classes looking at chosen ad networks
Merge branch 'feature/dfp' into develop
Dhance to save received interstitial ad and to postpone its presentation.
Test app properly sets test devices
Requested ad size is now bound and updated by orientation changes
Merge branch 'feature/rotation' into develop