add google analytics tracking

Author: davecheney

themes/gophercon/layouts/index.html

@@ -110,5 +110,15 @@ <h3>Early bird tickets available 1st January 2016.</h3>
 	<p>© 2016 GopherAcademy, LLC</p>
 	<p>The Gopher character is based on the Go mascot designed by Renée French and copyrighted under the Creative Commons Attribution 3.0 license.</p>
 </footer>
+<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');
+
+  ga('create', 'UA-40886074-1', 'auto');
+  ga('send', 'pageview');
+
+</script>
 </body>
 </html>