Update angular and moment dependencies to serve from unpkg for the demo

Author: g1eb

index.html

@@ -28,8 +28,8 @@ <h1>Time</h1>
   <h1>Datetime</h1>
   <datetime-input datetime="now" on-change="print(now)" placeholder="Click Me"></datetime-input>
 
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.0/angular.min.js" charset="utf-8"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.12.0/moment.min.js" charset="utf-8"></script>
+  <script src="https://unpkg.com/moment@2.13.0/min/moment.min.js" charset="utf-8"></script>
+  <script src="https://unpkg.com/angular@1.5.6/angular.min.js" charset="utf-8"></script>
   <script src="https://unpkg.com/angular-scroll-events@0.0.2/dist/scroll-events.min.js" charset="utf-8"></script>
 
   <script src="dist/datetime-inputs.min.js"></script>