webRTC视讯聊天

框架：springmvc+websocket+maven+webrtcwebsocket参考：http://www.html5rocks.com/en/tutorials/websockets/basics/springmvc+websocket参考：http://my.oschina.net/ldl123292/blog/304360?fromerr=SvjNWtAywebrtc参考：http://kingli.coding.io/2016/01/18/webrtcdemo/http://limitlessping.blogspot.jp/2014/04/webrtc-rtcpeerconnection.htmlhttp://www.