Hide debug information on peer server.

Change-Id: I49e5946a346f9db5d9abbb7bea3484df631f3ed4

Author: jianjunz

peerserver.js

@@ -143,7 +143,7 @@ function onConnection(socket){
   for (var i=0;i<forwardEvents.length;i++){
     socket.on(forwardEvents[i],(function(i){
       return function(data, ackCallback){
-        console.log('Received '+forwardEvents[i]+','+JSON.stringify(data));
+        console.log('Received '+forwardEvents[i]);
         data.from=socket.user.id;
         var to=data.to;
         delete data.to;