<!doctype html>
<html>
<head>
  <title>collaborne-hello-world demo</title>
  <script src="https://www.polymer-project.org/1.0/components/webcomponentsjs/webcomponents.min.js"></script>
  <link rel="import" href="../collaborne-hello-world.html">
</head>
<body>
  <collaborne-hello-world name='Joe'></collaborne-hello-world>
</body>
</html>

<!doctype html>
<html>
<head>
  <title>collaborne-hello-world demo</title>
  <script src="https://www.polymer-project.org/1.0/components/webcomponentsjs/webcomponents-lite.min.js"></script>
  <link rel="import" href="../collaborne-hello-world.html">
</head>
<body>
  <collaborne-hello-world name='Joe'></collaborne-hello-world>
</body>
</html>

Use lite version of the webcomponents library as this is sufficient
Use lite version of the webcomponents library as this is sufficient