custom mopub BaseInterstitialActivity
Added support for AdMob and Millennial Media
Fixed some intent issues
Merge branch 'elia_lost_commits'

Conflicts:
	mopub-sdk/src/main/java/com/mopub/mobileads/BaseInterstitialActivity.java
	mopub-sdk/src/main/java/com/mopub/mobileads/GoogleAdMobBanner.java
	mopub-sdk/src/main/java/com/mopub/mobileads/GoogleAdMobInterstitial.java
	mopub-sdk/src/main/java/com/mopub/mobileads/HtmlWebViewClient.java
	mopub-sdk/src/main/java/com/mopub/mobileads/MillennialBanner.java
Merge branch 'master' of github.com:Newscron/mopub-android-sdk