adapt tracking code (#701)

_themes/sulu/layout.html

@@ -32,12 +32,16 @@ <h3>Table of Contents</h3>
 <!-- Footer:Website:Replace -->
 
 <script type="text/javascript">
-    (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','//www.google-analytics.com/analytics.js','ga');
-
-    ga('create', 'UA-46229871-5', 'auto');
-    ga('send', 'pageview');
+    var _paq = window._paq = window._paq || [];
+    /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
+    _paq.push(['trackPageView']);
+    _paq.push(['enableLinkTracking']);
+    (function() {
+        var u="//sulu.io/";
+        _paq.push(['setTrackerUrl', u+'matomo.php']);
+        _paq.push(['setSiteId', '3']);
+        var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
+        g.async=true; g.src=u+'matomo.php'; s.parentNode.insertBefore(g,s);
+    })();
 </script>
 {%- endblock %}