Update title when notifications count has been updated

src/templates/layout.pug

@@ -321,6 +321,10 @@ html(lang="en")
 				{% if current_user.is_authenticated %}
 					getNotificationsLoop(); // Check for new notifications in the background
 
+					$('body').on('pillar:notifications-total-updated', function(e, notifications_total) {
+						updateTitle(notifications_total, page_title);
+					});
+
 					// Resize #notifications and change overflow for scrollbars
 					$(window).on("resize", function() { notificationsResize(); });
 				{% endif %}