Added scrolling tabs to user#show

app/views/users/show.html.haml

@@ -79,7 +79,10 @@
         %p.profile-user-bio
           = @user.bio
 
-    %ul.nav-links.center.user-profile-nav
+    .scrolling-tabs-container
+      .fade-left= icon('angle-left')
+      .fade-right= icon('angle-right')
+      %ul.nav-links.center.user-profile-nav.scrolling-tabs
         %li.js-activity-tab
           = link_to user_path, data: {target: 'div#activity', action: 'activity', toggle: 'tab'} do
             Activity