index.html

<html>
  <head>
    <title>ng2chat</title>
    <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/angular_material/0.8.3/angular-material.min.css">


    <script src="https://jspm.io/system.js"></script>
    <!-- SystemJS config  -->
    <script src="system.config.js"></script>
    <script src="angular2.js" type="text/javascript"></script>


    <script src="bootstrap.js"></script>

  </head>
  <body flex>
    <chat-app>


    </chat-app>
  </body>
</html>