Move AdColony 2.1.0 from Beta to Public
Merge pull request #24 from fyber-lima/move_adcolony_from_beta_to_public_139345474

Move AdColony 2.1.0 from Beta to Public
UnityAds adapter version 2.2.0 (UnityAds SDK 1.3.8)
Merge pull request #25 from piotr-ruchwa/master

UnityAds adapter version 2.2.0 (UnityAds SDK 1.3.8)
[134943215] preparing facebook update beta release
Merge pull request #26 from hkosacki/update_facebook_3.19.1_134943215

[134943215] preparing facebook update beta release
[139336550] removed jars from beta - they are moved to mobile-sdk repo
[139336550] fixed placement ID for facebook
Merge pull request #27 from hkosacki/promote_adcolony_to_prod_139336550

[139336550] Release AdColony as stable
Update Readme to introduce Beta program