Merge branch 'move-contributing-link-to-partial-for-ee-exclusion' into 'master'

CE for "Remove new contributing link from EE"

See merge request gitlab-org/gitlab-ce!20334

app/views/layouts/header/_current_user_dropdown.html.haml

@@ -17,11 +17,7 @@
       = link_to _("Help"), help_path
   - if current_user_menu?(:help) || current_user_menu?(:settings) || current_user_menu?(:profile)
     %li.divider
-  %li
-    = link_to "https://about.gitlab.com/contributing", target: '_blank', class: 'text-nowrap' do
-      = _("Contribute to GitLab")
-      = sprite_icon('external-link', size: 16)
-  %li.divider
+  = render 'shared/user_dropdown_contributing_link'
   - if current_user_menu?(:sign_out)
     %li
       = link_to _("Sign out"), destroy_user_session_path, class: "sign-out-link"

app/views/shared/_user_dropdown_contributing_link.html.haml

+%li
+  = link_to "https://about.gitlab.com/contributing", target: '_blank', class: 'text-nowrap' do
+    = _("Contribute to GitLab")
+    = sprite_icon('external-link', size: 16)
+%li.divider