Code cleanup
Merge remote-tracking branch 'origin/master'

Conflicts:
	Networks/Admob/src/main/java/com/bingzer/android/ads/AdMobNetwork.java
	Networks/LeadBolt/src/main/java/com/bingzer/android/ads/LeadBoltNetwork.java
	Networks/Mobfox/src/main/java/com/bingzer/android/ads/MobFoxNetwork.java