switching to webpack

src/index.js

@@ -1,9 +1,9 @@
 // Put all packages together.
 // Used to generate umd/index.prod.js
 
-var React = require('react');
-var ReactDOM = require('react-dom');
-var TinodeWeb = require('./webapp.es5.js');
+import React from 'react';
+import ReactDOM from 'react-dom';
+import TinodeWeb from './components/tinode-web.jsx';
 
 ReactDOM.render(
   React.createElement(TinodeWeb, null),