Reduce timeout, so disconnected peer will be kicked earlier

signalmaster/server.js

@@ -49,6 +49,9 @@ function checkRoom(room,token,user) {
 }
 
 io.configure(function(){
+  io.set('close timeout', 20);
+  io.set('heartbeat timeout', 10);
+  io.set('heartbeat interval', 5);
   io.set('authorization', function(data, accept){
     if(data.headers.cookie){
       data.cookie = cookie_reader.parse(data.headers.cookie);