update notification display

app/views/layouts/_header.html.haml

@@ -22,8 +22,8 @@
         %ul.nav.navbar-nav
           = nav_entry "Timeline", root_path
           = nav_entry "Inbox", "/inbox", badge: inbox_count
-          = render "layouts/notifications"
         %ul.nav.navbar-nav.navbar-right
+          = render "layouts/notifications"
           %li.hidden-xs
             %span{"data-toggle" => "tooltip", "data-placement" => "bottom", title: "Ask a question"}
               .btn.btn-link.navbar-btn.btn-sm{name: "toggle-all-ask", "data-target" => "#modal-ask-followers", "data-toggle" => "modal", :type => "button"}

app/views/layouts/_notifications.html.haml

@@ -2,7 +2,11 @@
 - notifications = Notification.for(current_user).limit(4)
 %li.dropdown.hidden-xs
   %a.dropdown-toggle{href: "#", "data-toggle" => "dropdown"}
-    Notifications
+    - if notification_count.nil?
+      %i.fa.fa-bell-o
+    - else
+      %i.fa.fa-bell
+    %span.sr-only Notifications
     %span.badge= notification_count
   %ul.dropdown-menu.notification--dropdown
     - if notifications.count == 0