adding mixpanel analytics

public/index.html

@@ -667,5 +667,6 @@
 				</div>
 			</div>
 		</div>
+    <!-- start Mixpanel --><script type="text/javascript">var mpq=[];mpq.push(["init","252cf14807e7553594607c10b64418b5"]);(function(){var b,a,e,d,c;b=document.createElement("script");b.type="text/javascript";b.async=true;b.src=(document.location.protocol==="https:"?"https:":"http:")+"//api.mixpanel.com/site_media/js/api/mixpanel.js";a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(b,a);e=function(f){return function(){mpq.push([f].concat(Array.prototype.slice.call(arguments,0)))}};d=["init","track","track_links","track_forms","register","register_once","identify","name_tag","set_config"];for(c=0;c<d.length;c++){mpq[d[c]]=e(d[c])}})(); </script><!-- end Mixpanel -->
 	</body>
 </html>