receiver: remove testing code

To test the previous commit, some code was removed. Put it back.

app/scripts/receiver.js

@@ -5,7 +5,9 @@
 (function(window, undefined) {
   'use strict';
 
-  var errors = require('./receiver/errors'),
+  var socketio = require('./receiver/socketio'),
+      errors = require('./receiver/errors'),
+      supervisor = require('./receiver/supervisor'),
       console = require('./receiver/console'),
       benchmark = require('./receiver/benchmark'),
       document = window.document;
@@ -16,10 +18,10 @@
   document.addEventListener('DOMContentLoaded', function() {
     benchmark.done(function() {
       document.querySelector('.show').classList.add('loading');
-      // supervisor.ready();
+      supervisor.ready();
       // OK, ready, connect to socket.io
       console.log('[Dashkiosk] dashkiosk ready, connect to socket.io server');
-      // socketio.connect();
+      socketio.connect();
     });
   });