updated year to 2012 in readme
updated year to 2012 in readme

v-rawang/SuperWebSocket,v-rawang/SuperWebSocket,kerryjiang/SuperWebSocket,jogibear9988/SuperWebSocket,v-rawang/SuperWebSocket,zhangwei900808/SuperWebSocket,v-rawang/SuperWebSocket,kerryjiang/SuperWebSocket,wangzheng888520/SuperWebSocket,wangzheng888520/SuperWebSocket,jogibear9988/SuperWebSocket,jmptrader/SuperWebSocket,jmptrader/SuperWebSocket,zhangwei900808/SuperWebSocket