gradle: Add packaging to Maven POM
gradle: Add packaging to Maven POM

whymarrh/RxBroadcast,RxBroadcast/RxBroadcast,RxBroadcast/RxBroadcast,RxBroadcast/RxBroadcast,RxBroadcast/RxBroadcast,whymarrh/RxBroadcast