[library-web] Add a webstat tracking script

[Ekaterina Gerasimova <egerasimov src gnome org>]

commit 60cd89c23e06ec684c4351fee4d4202547078fa9
Author: Ekaterina Gerasimova <kittykat3756 gmail com>
Date:   Fri Jun 21 22:12:34 2013 +0100

    Add a webstat tracking script

 data/xslt/heading.xsl |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/data/xslt/heading.xsl b/data/xslt/heading.xsl
index 2f6eb5e..7be3784 100644
--- a/data/xslt/heading.xsl
+++ b/data/xslt/heading.xsl
@@ -183,6 +183,23 @@ $('#s').autocomplete('/symbols/lookup/',
             <div class="clear"></div>
         </div>
     </div>
+
+    <!-- Piwik webstats -->
+    <script type="text/javascript">
+       var _paq = _paq || [];
+       _paq.push(["trackPageView"]);
+       _paq.push(["enableLinkTracking"]);
+
+      (function() {
+        var u=(("https:" == document.location.protocol) ? "https" : "http") + "://webstats.gnome.org/";
+        _paq.push(["setTrackerUrl", u+"piwik.php"]);
+        _paq.push(["setSiteId", "6"]);
+        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>
+    <!-- End Piwik Code -->`
+
 </xsl:template>
 
 </xsl:stylesheet>