apcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.min.css">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.min.js"></script>
  {% if site.favicon %}<link rel="shortcut icon" href="{{ site.favicon }}" type="image/x-icon">{% endif %}
	{% if site.touch_icon %}<link rel="apple-touch-icon" href="{{ site.touch_icon }}">{% endif %}
</head>
<body>
  <div id="main">
    
    <nav><ul>
      {% for node in