adapt.tmpl: add piwik code

adapt.tmpl

@@ -62,5 +62,21 @@
 </div>
 <script src="$SkinDirUrl/ui.js"></script>
 <!--HTMLFooter-->
+<!-- Piwik -->
+  <script type="text/javascript">
+    var _paq = _paq || [];
+    _paq.push(["trackPageView"]);
+    _paq.push(["enableLinkTracking"]);
+
+    (function() {
+      var u=(("https:" == document.location.protocol) ? "https" : "http") + "://www.finf.uni-hannover.de/piwik/";
+      _paq.push(["setTrackerUrl", u+"piwik.php"]);
+      _paq.push(["setSiteId", "2"]);
+      var d=document, g=d.createElement("script"), s=d.getElementsByTagName("script")[0]; g.type="text/javascript";
+      g.defer=true; g.async=true; g.src=u+"piwik.js"; s.parentNode.insertBefore(g,s);
+    })();
+  </script>
+  <noscript><img src="https://www.finf.uni-hannover.de/piwik/piwik.php?idsite=2&amp;rec=1" style="border:0" alt="" /></noscript>
+<!-- End Piwik Code -->
 </body>
 </html>