Added polling stop if websocket is up in updater.js

added hash for websocket in websocket.rb
added check for websocket existence in command.rb and net.js
added a POC onmessage function in websocket.js
added check for websocket support in init.js
added a POC send to send command output to server in beef.js

core/main/client/updater.js

@@ -57,6 +57,8 @@ beef.updater = {
 				this.get_commands();    /*Polling*/
 			}
 		}
+        /*@Todo Simple ceck to stop polling */
+        if (beef.websocket.socket == null)
 		setTimeout("beef.updater.check();", beef.updater.timeout);
 	},