Merge branch 'ee-admin-geo-namespace-support' into 'master'

Backport Admin menu changes from EE

See merge request gitlab-org/gitlab-ce!21864

app/views/layouts/nav/sidebar/_admin.html.haml

@@ -7,14 +7,14 @@
         .sidebar-context-title
           = _('Admin Area')
     %ul.sidebar-top-level-items
-      = nav_link(controller: %w(dashboard admin projects users groups jobs runners gitaly_servers), html_options: {class: 'home'}) do
+      = nav_link(controller: %w(dashboard admin admin/projects users groups jobs runners gitaly_servers), html_options: {class: 'home'}) do
         = link_to admin_root_path, class: 'shortcuts-tree' do
           .nav-icon-container
             = sprite_icon('overview')
           %span.nav-item-name
             = _('Overview')
         %ul.sidebar-sub-level-items
-          = nav_link(controller: %w(dashboard admin projects users groups jobs runners gitaly_servers), html_options: { class: "fly-out-top-item" } ) do
+          = nav_link(controller: %w(dashboard admin admin/projects users groups jobs runners gitaly_servers), html_options: { class: "fly-out-top-item" } ) do
             = link_to admin_root_path do
               %strong.fly-out-top-item-name
                 = _('Overview')
@@ -23,7 +23,7 @@
             = link_to admin_root_path, title: _('Overview') do
               %span
                 = _('Dashboard')
-          = nav_link(controller: [:admin, :projects]) do
+          = nav_link(controller: [:admin, 'admin/projects']) do
             = link_to admin_projects_path, title: _('Projects') do
               %span
                 = _('Projects')