Update React version in demo

pughpugh · pughpugh · commit d8e9e97a8a79 · 2018-01-16T09:25:04.000Z
diff --git a/index.html b/index.html
@@ -19,8 +19,8 @@
 </head>
 <body>
   <div id="parappa"></div>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/react/15.6.0/react.js"></script>
-  <script src="http://cdnjs.cloudflare.com/ajax/libs/react/15.6.0/react-dom.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.2.0/umd/react.development.js"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.2.0/umd/react-dom.development.js"></script>
   <script src="https://unpkg.com/create-react-class/create-react-class.js"></script>
   <script src="./build/react-countdown-clock.js"></script>
   <script>
