Use SSL for piwik image URL

www/layout.html

@@ -257,7 +257,7 @@
     g.defer=true; g.async=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
   })();
 </script>
-<noscript><p><img src="http://www.kirsle.net/piwik/piwik.php?idsite=1" style="border:0;" alt="" /></p></noscript>
+<noscript><p><img src="https://www.kirsle.net/piwik/piwik.php?idsite=1" style="border:0;" alt="" /></p></noscript>
 <!-- End Piwik Code -->
 
 </body>