0.3.3

• Fixed issue with CocoaPod 0.39.0 (thanks @podkovyrin)
• Added new interface for removing video views (thanks @wangchauyan):

In OpenWebRTCNativeHandler:

- (void)removeSelfView:(OpenWebRTCVideoView *)selfView;
- (void)removeRemoteView:(OpenWebRTCVideoView *)remoteView;