Fix mobile menu after adding help link

app/views/layouts/_head_panel.html.haml

@@ -43,6 +43,6 @@
           %li
             = link_to destroy_user_session_path, class: "logout", method: :delete, title: "Logout", class: 'has_bottom_tooltip', 'data-original-title' => 'Logout'  do
               %i.icon-signout
-          %li
+          %li.hidden-xs
             = link_to current_user, class: "profile-pic", id: 'profile-pic' do
               = image_tag avatar_icon(current_user.email, 26), alt: 'User activity'