Change the google analytic script tag to use a protocol relative URL

* Eliminate the dynamic JS and use a static tag

Author: dkubb

_layouts/default.html

@@ -33,15 +33,6 @@
         <p>Web Design by <a href="http://www.mr-eel.com/">Luke Matthew Sutton</a> - Community Maintained</p>
       </div>
     </div>
-    <script type="text/javascript">
-    //<![CDATA[
-    (function() {
-      var ga = document.createElement('script');
-      ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-      ga.setAttribute('async', 'true');
-      document.documentElement.firstChild.appendChild(ga);
-    })();
-    //]]>
-    </script>
+    <script src="//www.google-analytics.com/ga.js" type="text/javascript" async="async"></script>
   </body>
 </html>