Added Google Analytics

Added Google Analytics to track app.

index.html

@@ -45,8 +45,18 @@
   <!-- Format parsers -->
   <script type="application/javascript" src="resources/txt/parse.js"></script>
   <script type="application/javascript" src="resources/docx/docx.js"></script>
+  <script type="text/javascript">
+    var _gaq = _gaq || [];
+    _gaq.push(['_setAccount', 'UA-41224040-1']);
+    _gaq.push(['_trackPageview']);
+    (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);
+    })();
+  </script>
 
-  <!-- Resources -->
+   <!-- Resources -->
   <script type="application/javascript" src="resources/dropbox/dropbox.min.js"></script>
   <script type="application/javascript" src="resources/dropbox/dropbox.js"></script>
   <script type="application/javascript" src="resources/google-code-prettify/prettify.js"></script>