Release: version 2.1
Release: version 2.2
Release: version 2.3
Merge remote-tracking branch 'origin/upstream-master' into upstream-merge

Conflicts:
	mopub-sdk/src/main/java/com/mopub/common/MoPubBrowser.java
	mopub-sdk/src/main/java/com/mopub/mobileads/BaseWebView.java
	mopub-sdk/src/main/java/com/mopub/mobileads/MoPubInterstitial.java
Merge pull request #15 from scopely/upstream-merge

Upstream merge
Merge branch 'master' into mopub-in-a-jar
bumping build.gradle version to '2.3.0'.