Breaking changes:

'Gift': changed from class to enum, so now you can handle
incoming gifts in switch

`Events`
- new:
     onGiftComboFinished
- Removed:
      onGiftBrodcast
- Rename:
     onGiftMessage -> onGift
     onRoomPinMessage -> onRoomPin
     onRoomMessage -> onRoom
     onLinkMessage -> onLink
     onBarrageMessage -> onBarrage
     onPollMessage -> onPoll
     onShopMessage -> onShop
     onDetectMessage -> onDetect

`GiftManager`
   added:
      registerGift
      findById
      findByName
      getGifts
   removed:
      getActiveGifts

API/src/main/proto/enums.proto

@@ -25,11 +25,7 @@ enum EmotePrivateType {
   EMOTE_PRIVATE_TYPE_SUB_WAVE = 1;
 }
 
-enum ExhibitionType {
-  EXHIBITIONTYPE_DEFAULT = 0;
-  EXHIBITIONTYPE_FOLD = 1;
-  EXHIBITIONTYPE_PUBLICSCREEN = 2;
-}
+
 enum SubscribeType {
   SUBSCRIBETYPE_ONCE = 0;
   SUBSCRIBETYPE_AUTO = 1;