Changed Google Analytics detection

Author: lcdsantos

public/index.html

@@ -691,7 +691,7 @@ <h4><a href="./demo.html">view more advanced demos and customization →</a></h4
     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-42240250-1', 'lcdsantos.github.io');
+    ga('create', 'UA-42240250-1', 'auto');
     ga('require', 'displayfeatures');
     ga('send', 'pageview');