Load QtWebChannel JS from Qt resource system

Author: ferdnyc

src/timeline/index.html

@@ -15,7 +15,10 @@
         <script type="text/javascript" src="media/js/jquery-ui.js"></script>
         <script type="text/javascript" src="media/js/angular.min.js"></script>
         <script type="text/javascript" src="media/js/angular-animate.min.js"></script>
-		
+
+        <!-- Qt WebChannel support for two-way data bindings -->
+        <script type="text/javascript" src="qrc:/qtwebchannel/qwebchannel.js"></script>
+
         <!-- OpenShot JavaScript Sources -->
         <!--MIXIN_JS_INCLUDE-->
         <script type="text/javascript" src="app.js"></script>