Merge branch '195-analytics' into 'master'

Added matomo analytics

Closes #195

See merge request !137

go/go/templates/layouts/base.html

@@ -51,6 +51,22 @@
     <script src="{% static "js/jquery.min.js" %}"></script>
     <script src="{% static "js/bootstrap.min.js" %}"></script>
     <script src="{% static "js/clipboard.min.js" %}"></script>
+    <!-- Matomo -->
+<script type="text/javascript">
+  var _paq = _paq || [];
+  /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+  _paq.push(['trackPageView']);
+  _paq.push(['enableLinkTracking']);
+  (function() {
+    var u="//matomo.srct.gmu.edu/";
+    _paq.push(['setTrackerUrl', u+'piwik.php']);
+    _paq.push(['setSiteId', '4']);
+    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+    g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
+  })();
+</script>
+<!-- End Matomo Code -->
+
   </head>
 
   <!-- Load in the body of a Go page -->