Update analytics code

Signed-off-by: Michal Čihař <michal@cihar.com>

templates/_page.tpl

@@ -65,17 +65,14 @@
     <li class="logo"><a href="http://google.com/+phpmyadmin" style="text-decoration: none;"><img src="https://ssl.gstatic.com/images/icons/gplus-16.png" width="16" height="16" style="border: 0;" alt="Google+"/></a></li>
   </ul>
   </footer>
-<script type="text/javascript">
-
-  var _gaq = _gaq || [];
-  _gaq.push(['_setAccount', 'UA-2718724-14']);
-  _gaq.push(['_trackPageview']);
+<script>
+  (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');
 
-  (function() {
-    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-  })();
+  ga('create', 'UA-2718724-14', 'auto');
+  ga('send', 'pageview');
 
 </script>
  </body>