UnityAds adapter version 2.2.0 (supporting SDK version 1.3.8)
Merge pull request #19 from piotr-ruchwa/master

Update Ebuzzing adapter (Ebuzzing SDK 1.1.1)
Merge pull request #17 from gabriel-fortin/master

UnityAds adapter version 2.2.0 (supporting SDK version 1.3.8)
Update AdMob adapter (AdMob 6.12.0 )