Update index.html

old google analytic script
<script type="text/javascript">
            var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
            document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
          </script>
          <script type="text/javascript">
            try {
              var pageTracker = _gat._getTracker("UA-42434744-2");
            pageTracker._trackPageview();
            } catch(err) {}
          </script>