- update integration to google SDK v 6.12.0
Project conf update & tag ad

- update for iPhone 6 and Add test tag
Merge branch 'develop' of https://github.com/LagardereDigitalFrance-Mobile/LAD-DFP-Wrapper into develop
Merge branch 'develop' of https://github.com/LagardereDigitalFrance-Mobile/LAD-DFP-Wrapper into develop