Updating google analytics snippet

Author: sbliven

_includes/footer.html

@@ -24,7 +24,4 @@
     {% if page.url %}<li><a href="https://github.com/biojava/biojava.github.io/edit/master/{{ page.path }}">Edit this page</a></li>{% endif %}
     <li>Design: <a href="http://html5up.net" target="_blank">HTML5 UP</a></li>
   </ul>
-</footer>
-
-<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script>
-<script type="text/javascript">_uacct = "{{ site.google_analytics }}";urchinTracker();</script>
+</footer>

_includes/head.html

@@ -9,4 +9,12 @@
   <!--[if lte IE 8]><link rel="stylesheet" href="{{ "/css/ie8.css" | prepend: site.baseurl }}" /><![endif]-->
   <!--[if lte IE 9]><link rel="stylesheet" href="{{ "/css/ie9.css" | prepend: site.baseurl }}" /><![endif]-->
   <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}">
+  <script>
+  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+  ga('create', '{{ site.google_analytics }}', 'auto');
+  ga('send', 'pageview');
+  </script>
 </head>