[TIMODOPEN-436] iOS8 : Upgrade AdMob to version 6.12.0
[TIMODOPEN-436] iOS8 : Upgrade AdMob to version 6.12.0
[TIMODOPEN-436] iOS8 : Upgrade AdMob to version 6.12.0
[TIMODOPEN-436] iOS8 : Upgrade AdMob to version 6.12.0
Merge pull request #1 from garymathews/TIMODOPEN-436

[TIMODOPEN-436] iOS8 : Upgrade AdMob to version 6.12.0