set timeout to 15 Minutes

socket.js

@@ -60,7 +60,7 @@ server.on('connection',function(socket){
 
     socket.setEncoding('utf8');
 
-    socket.setTimeout(60000,function(){
+    socket.setTimeout(900000,function(){
         // called after timeout -> same as socket.on('timeout')
         // it just tells that soket timed out => its ur job to end or destroy the socket.
         // socket.end() vs socket.destroy() => end allows us to send final data and allows some i/o activity to finish before destroying the socket