Pre-release beta 5

Add support for FAN Rewarded Video
Add onAdBanned Listener
Fix some issues

Pre-release beta 4

Fix some more issues

Pre-release beta 3

Fix more issues .. damn this shit won't end

Pre-release beta 2

Fix prefName admob unit Id
add isAdLoaded function for all units

Pre-release beta

Support Admob Interstitial, Admob Banner, FAN Interstestial, FAN Banner