Avoid unneeded change_id event; id can be set as a Countly property, before initializing.

services/web/app/views/layout.jade

@@ -54,6 +54,7 @@ html(itemscope, itemtype='http://schema.org/Product')
 				Countly.q = Countly.q || [];
 				Countly.app_key = '#{settings.analytics.countly.token}';
 				Countly.url = '#{settings.analytics.countly.server}';
+				!{ session.user ? 'Countly.device_id = "' + session.user._id + '";' : '' } 
 
 				Countly.q.push(['track_sessions']);
 				Countly.q.push(['track_pageview']);
@@ -69,8 +70,6 @@ html(itemscope, itemtype='http://schema.org/Product')
 
 			if (session && session.user)
 				script(type="text/javascript").
-					Countly.q.push(['change_id', '#{session.user._id}', true ]);
-
 					Countly.q.push(['user_details', {
 						email: '#{session.user.email}',
 						custom: {