Add sub links to overview

app/views/admin/dashboard/_head.html.haml

+%ul.nav-links.sub-nav
+  %div{ class: (container_class) }
+    = nav_link(controller: :dashboard, html_options: {class: 'home'}) do
+      = link_to admin_root_path, title: 'Overview' do
+        %span
+          Overview
+    = nav_link(controller: [:admin, :projects]) do
+      = link_to admin_namespaces_projects_path, title: 'Projects' do
+        %span
+          Projects
+    = nav_link(controller: :users) do
+      = link_to admin_users_path, title: 'Users' do
+        %span
+          Users
+    = nav_link(controller: :groups) do
+      = link_to admin_groups_path, title: 'Groups' do
+        %span
+          Groups

app/views/admin/dashboard/index.html.haml

-.admin-dashboard.prepend-top-default
-  .row
-    .col-md-4
-      %h4 Statistics
-      %hr
-      %p
-        Forks
-        %span.light.pull-right
-          = number_with_delimiter(ForkedProjectLink.count)
-      %p
-        Issues
-        %span.light.pull-right
-          = number_with_delimiter(Issue.count)
-      %p
-        Merge Requests
-        %span.light.pull-right
-          = number_with_delimiter(MergeRequest.count)
-      %p
-        Notes
-        %span.light.pull-right
-          = number_with_delimiter(Note.count)
-      %p
-        Snippets
-        %span.light.pull-right
-          = number_with_delimiter(Snippet.count)
-      %p
-        SSH Keys
-        %span.light.pull-right
-          = number_with_delimiter(Key.count)
-      %p
-        Milestones
-        %span.light.pull-right
-          = number_with_delimiter(Milestone.count)
-      %p
-        Active Users
-        %span.light.pull-right
-          = number_with_delimiter(User.active.count)
-    .col-md-4
-      %h4
-        Features
-      %hr
-      %p
-        Sign up
-        %span.light.pull-right
-          = boolean_to_icon signup_enabled?
-      %p
-        LDAP
-        %span.light.pull-right
-          = boolean_to_icon Gitlab.config.ldap.enabled
-      %p
-        Gravatar
-        %span.light.pull-right
-          = boolean_to_icon gravatar_enabled?
-      %p
-        OmniAuth
-        %span.light.pull-right
-          = boolean_to_icon Gitlab.config.omniauth.enabled
-      %p
-        Reply by email
-        %span.light.pull-right
-          = boolean_to_icon Gitlab::IncomingEmail.enabled?
-    .col-md-4
-      %h4
-        Components
-        - if current_application_settings.version_check_enabled
-          .pull-right
-            = version_status_badge
+- @no_container = true
+= render "admin/dashboard/head"
 
-      %hr
-      %p
-        GitLab
-        %span.pull-right
-          = Gitlab::VERSION
-      %p
-        GitLab Shell
-        %span.pull-right
-          = Gitlab::Shell.new.version
-      %p
-        GitLab API
-        %span.pull-right
-          = API::API::version
-      %p
-        Git
-        %span.pull-right
-          = Gitlab::Git.version
-      %p
-        Ruby
-        %span.pull-right
-          #{RUBY_VERSION}p#{RUBY_PATCHLEVEL}
-
-      %p
-        Rails
-        %span.pull-right
-          #{Rails::VERSION::STRING}
-
-      %p
-        = Gitlab::Database.adapter_name
-        %span.pull-right
-          = Gitlab::Database.version
-  %hr
-  .row
-    .col-sm-4
-      .light-well
-        %h4 Projects
-        .data
-          = link_to admin_namespaces_projects_path do
-            %h1= number_with_delimiter(Project.count)
-          %hr
-          = link_to('New Project', new_project_path, class: "btn btn-new")
-    .col-sm-4
-      .light-well
-        %h4 Users
-        .data
-          = link_to admin_users_path do
-            %h1= number_with_delimiter(User.count)
-          %hr
-          = link_to 'New User', new_admin_user_path, class: "btn btn-new"
-    .col-sm-4
-      .light-well
-        %h4 Groups
-        .data
-          = link_to admin_groups_path do
-            %h1= number_with_delimiter(Group.count)
-          %hr
-          = link_to 'New Group', new_admin_group_path, class: "btn btn-new"
-
-  .row.prepend-top-10
-    .col-md-4
-      %h4 Latest projects
-      %hr
-      - @projects.each do |project|
+%div{ class: (container_class) }
+  .admin-dashboard.prepend-top-default
+    .row
+      .col-md-4
+        %h4 Statistics
+        %hr
         %p
-          = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project], class: 'str-truncated'
+          Forks
           %span.light.pull-right
-            #{time_ago_with_tooltip(project.created_at)}
-
-    .col-md-4
-      %h4 Latest users
-      %hr
-      - @users.each do |user|
+            = number_with_delimiter(ForkedProjectLink.count)
         %p
-          = link_to [:admin, user], class: 'str-truncated' do
-            = user.name
+          Issues
           %span.light.pull-right
-            #{time_ago_with_tooltip(user.created_at)}
-
-    .col-md-4
-      %h4 Latest groups
-      %hr
-      - @groups.each do |group|
+            = number_with_delimiter(Issue.count)
+        %p
+          Merge Requests
+          %span.light.pull-right
+            = number_with_delimiter(MergeRequest.count)
+        %p
+          Notes
+          %span.light.pull-right
+            = number_with_delimiter(Note.count)
+        %p
+          Snippets
+          %span.light.pull-right
+            = number_with_delimiter(Snippet.count)
+        %p
+          SSH Keys
+          %span.light.pull-right
+            = number_with_delimiter(Key.count)
+        %p
+          Milestones
+          %span.light.pull-right
+            = number_with_delimiter(Milestone.count)
+        %p
+          Active Users
+          %span.light.pull-right
+            = number_with_delimiter(User.active.count)
+      .col-md-4
+        %h4
+          Features
+        %hr
+        %p
+          Sign up
+          %span.light.pull-right
+            = boolean_to_icon signup_enabled?
         %p
-          = link_to [:admin, group], class: 'str-truncated' do
-            = group.name
+          LDAP
           %span.light.pull-right
-            #{time_ago_with_tooltip(group.created_at)}
+            = boolean_to_icon Gitlab.config.ldap.enabled
+        %p
+          Gravatar
+          %span.light.pull-right
+            = boolean_to_icon gravatar_enabled?
+        %p
+          OmniAuth
+          %span.light.pull-right
+            = boolean_to_icon Gitlab.config.omniauth.enabled
+        %p
+          Reply by email
+          %span.light.pull-right
+            = boolean_to_icon Gitlab::IncomingEmail.enabled?
+      .col-md-4
+        %h4
+          Components
+          - if current_application_settings.version_check_enabled
+            .pull-right
+              = version_status_badge
+
+        %hr
+        %p
+          GitLab
+          %span.pull-right
+            = Gitlab::VERSION
+        %p
+          GitLab Shell
+          %span.pull-right
+            = Gitlab::Shell.new.version
+        %p
+          GitLab API
+          %span.pull-right
+            = API::API::version
+        %p
+          Git
+          %span.pull-right
+            = Gitlab::Git.version
+        %p
+          Ruby
+          %span.pull-right
+            #{RUBY_VERSION}p#{RUBY_PATCHLEVEL}
+
+        %p
+          Rails
+          %span.pull-right
+            #{Rails::VERSION::STRING}
+
+        %p
+          = Gitlab::Database.adapter_name
+          %span.pull-right
+            = Gitlab::Database.version
+    %hr
+    .row
+      .col-sm-4
+        .light-well
+          %h4 Projects
+          .data
+            = link_to admin_namespaces_projects_path do
+              %h1= number_with_delimiter(Project.count)
+            %hr
+            = link_to('New Project', new_project_path, class: "btn btn-new")
+      .col-sm-4
+        .light-well
+          %h4 Users
+          .data
+            = link_to admin_users_path do
+              %h1= number_with_delimiter(User.count)
+            %hr
+            = link_to 'New User', new_admin_user_path, class: "btn btn-new"
+      .col-sm-4
+        .light-well
+          %h4 Groups
+          .data
+            = link_to admin_groups_path do
+              %h1= number_with_delimiter(Group.count)
+            %hr
+            = link_to 'New Group', new_admin_group_path, class: "btn btn-new"
+
+    .row.prepend-top-10
+      .col-md-4
+        %h4 Latest projects
+        %hr
+        - @projects.each do |project|
+          %p
+            = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project], class: 'str-truncated'
+            %span.light.pull-right
+              #{time_ago_with_tooltip(project.created_at)}
+
+      .col-md-4
+        %h4 Latest users
+        %hr
+        - @users.each do |user|
+          %p
+            = link_to [:admin, user], class: 'str-truncated' do
+              = user.name
+            %span.light.pull-right
+              #{time_ago_with_tooltip(user.created_at)}
+
+      .col-md-4
+        %h4 Latest groups
+        %hr
+        - @groups.each do |group|
+          %p
+            = link_to [:admin, group], class: 'str-truncated' do
+              = group.name
+            %span.light.pull-right
+              #{time_ago_with_tooltip(group.created_at)}

app/views/admin/groups/index.html.haml

+- @no_container = true
 - page_title "Groups"
-%h3.page-title
-  Groups (#{number_with_delimiter(@groups.total_count)})
+= render "admin/dashboard/head"
 
-%p.light
-  Group allows you to keep projects organized.
-  Use groups for uniting related projects.
+%div{ class: (container_class) }
+  %h3.page-title
+    Groups (#{number_with_delimiter(@groups.total_count)})
 
-.top-area
-  .nav-search
-    = form_tag admin_groups_path, method: :get, class: 'form-inline' do
-      = hidden_field_tag :sort, @sort
-      = text_field_tag :name, params[:name], class: "form-control"
-      = button_tag "Search", class: "btn submit btn-primary"
+  %p.light
+    Group allows you to keep projects organized.
+    Use groups for uniting related projects.
 
-  .nav-controls
-    .dropdown.inline
-      %a.dropdown-toggle.btn{href: '#', "data-toggle" => "dropdown"}
-        %span.light
-        - if @sort.present?
-          = sort_options_hash[@sort]
-        - else
-          = sort_title_recently_created
-        %b.caret
-      %ul.dropdown-menu
-        %li
-          = link_to admin_groups_path(sort: sort_value_recently_created) do
+  .top-area
+    .nav-search
+      = form_tag admin_groups_path, method: :get, class: 'form-inline' do
+        = hidden_field_tag :sort, @sort
+        = text_field_tag :name, params[:name], class: "form-control"
+        = button_tag "Search", class: "btn submit btn-primary"
+
+    .nav-controls
+      .dropdown.inline
+        %a.dropdown-toggle.btn{href: '#', "data-toggle" => "dropdown"}
+          %span.light
+          - if @sort.present?
+            = sort_options_hash[@sort]
+          - else
             = sort_title_recently_created
-          = link_to admin_groups_path(sort: sort_value_oldest_created) do
-            = sort_title_oldest_created
-          = link_to admin_groups_path(sort: sort_value_recently_updated) do
-            = sort_title_recently_updated
-          = link_to admin_groups_path(sort: sort_value_oldest_updated) do
-            = sort_title_oldest_updated
-    = link_to 'New Group', new_admin_group_path, class: "btn btn-new"
+          %b.caret
+        %ul.dropdown-menu
+          %li
+            = link_to admin_groups_path(sort: sort_value_recently_created) do
+              = sort_title_recently_created
+            = link_to admin_groups_path(sort: sort_value_oldest_created) do
+              = sort_title_oldest_created
+            = link_to admin_groups_path(sort: sort_value_recently_updated) do
+              = sort_title_recently_updated
+            = link_to admin_groups_path(sort: sort_value_oldest_updated) do
+              = sort_title_oldest_updated
+      = link_to 'New Group', new_admin_group_path, class: "btn btn-new"
 
-%ul.content-list
-  - @groups.each do |group|
-    = render 'group', group: group
+  %ul.content-list
+    - @groups.each do |group|
+      = render 'group', group: group
 
-= paginate @groups, theme: "gitlab"
+  = paginate @groups, theme: "gitlab"

app/views/admin/projects/index.html.haml

+- @no_container = true
 - page_title "Projects"
 = render 'shared/show_aside'
+= render "admin/dashboard/head"
 
-.row.prepend-top-default
-  %aside.col-md-3
-    .panel.admin-filter
-      = form_tag admin_namespaces_projects_path, method: :get, class: '' do
-        .form-group
-          = label_tag :name, 'Name:'
-          = text_field_tag :name, params[:name], class: "form-control"
+%div{ class: (container_class) }
+  .row.prepend-top-default
+    %aside.col-md-3
+      .panel.admin-filter
+        = form_tag admin_namespaces_projects_path, method: :get, class: '' do
+          .form-group
+            = label_tag :name, 'Name:'
+            = text_field_tag :name, params[:name], class: "form-control"
 
-        .form-group
-          = label_tag :namespace_id, "Namespace"
-          = namespace_select_tag :namespace_id, selected: params[:namespace_id], class: 'input-large'
+          .form-group
+            = label_tag :namespace_id, "Namespace"
+            = namespace_select_tag :namespace_id, selected: params[:namespace_id], class: 'input-large'
 
-        .form-group
-          %strong Activity
-          .checkbox
-            = label_tag :with_push do
-              = check_box_tag :with_push, 1, params[:with_push]
-              %span Projects with push events
-          .checkbox
-            = label_tag :abandoned do
-              = check_box_tag :abandoned, 1, params[:abandoned]
-              %span No activity over 6 month
-          .checkbox
-            = label_tag :with_archived do
-              = check_box_tag :with_archived, 1, params[:with_archived]
-              %span Show archived projects
+          .form-group
+            %strong Activity
+            .checkbox
+              = label_tag :with_push do
+                = check_box_tag :with_push, 1, params[:with_push]
+                %span Projects with push events
+            .checkbox
+              = label_tag :abandoned do
+                = check_box_tag :abandoned, 1, params[:abandoned]
+                %span No activity over 6 month
+            .checkbox
+              = label_tag :with_archived do
+                = check_box_tag :with_archived, 1, params[:with_archived]
+                %span Show archived projects
 
-        %fieldset
-          %strong Visibility level:
-          .visibility-levels
-            - Project.visibility_levels.each do |label, level|
-              .checkbox
-                %label
-                  = check_box_tag 'visibility_levels[]', level, params[:visibility_levels].present? && params[:visibility_levels].include?(level.to_s)
-                  %span.descr
-                    = visibility_level_icon(level)
-                    = label
-        %fieldset
-          %strong Problems
-          .checkbox
-            = label_tag :last_repository_check_failed do
-              = check_box_tag :last_repository_check_failed, 1, params[:last_repository_check_failed]
-              %span Last repository check failed
+          %fieldset
+            %strong Visibility level:
+            .visibility-levels
+              - Project.visibility_levels.each do |label, level|
+                .checkbox
+                  %label
+                    = check_box_tag 'visibility_levels[]', level, params[:visibility_levels].present? && params[:visibility_levels].include?(level.to_s)
+                    %span.descr
+                      = visibility_level_icon(level)
+                      = label
+          %fieldset
+            %strong Problems
+            .checkbox
+              = label_tag :last_repository_check_failed do
+                = check_box_tag :last_repository_check_failed, 1, params[:last_repository_check_failed]
+                %span Last repository check failed
 
-        = hidden_field_tag :sort, params[:sort]
-        = button_tag "Search", class: "btn submit btn-primary"
-        = link_to "Reset", admin_namespaces_projects_path, class: "btn btn-cancel"
+          = hidden_field_tag :sort, params[:sort]
+          = button_tag "Search", class: "btn submit btn-primary"
+          = link_to "Reset", admin_namespaces_projects_path, class: "btn btn-cancel"
 
-  %section.col-md-9
-    .panel.panel-default
-      .panel-heading
-        Projects (#{@projects.total_count})
-        .controls
-          .dropdown.inline
-            %button.dropdown-toggle.btn.btn-sm{type: 'button', 'data-toggle' => 'dropdown'}
-              %span.light
-              - if @sort.present?
-                = sort_options_hash[@sort]
-              - else
-                = sort_title_recently_created
-              %b.caret
-            %ul.dropdown-menu
-              %li
-                = link_to admin_namespaces_projects_path(sort: sort_value_recently_created) do
+    %section.col-md-9
+      .panel.panel-default
+        .panel-heading
+          Projects (#{@projects.total_count})
+          .controls
+            .dropdown.inline
+              %button.dropdown-toggle.btn.btn-sm{type: 'button', 'data-toggle' => 'dropdown'}
+                %span.light
+                - if @sort.present?
+                  = sort_options_hash[@sort]
+                - else
                   = sort_title_recently_created
-                = link_to admin_namespaces_projects_path(sort: sort_value_oldest_created) do
-                  = sort_title_oldest_created
-                = link_to admin_namespaces_projects_path(sort: sort_value_recently_updated) do
-                  = sort_title_recently_updated
-                = link_to admin_namespaces_projects_path(sort: sort_value_oldest_updated) do
-                  = sort_title_oldest_updated
-                = link_to admin_namespaces_projects_path(sort: sort_value_largest_repo) do
-                  = sort_title_largest_repo
-          = link_to 'New Project', new_project_path, class: "btn btn-sm btn-success"
-      %ul.well-list
-        - @projects.each do |project|
-          %li
-            .list-item-name
-              %span{ class: visibility_level_color(project.visibility_level) }
-                = visibility_level_icon(project.visibility_level)
-              = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project]
-            .pull-right
-              - if project.archived
-                %span.label.label-warning archived
-              %span.label.label-gray
-                = repository_size(project)
-              = link_to 'Edit', edit_namespace_project_path(project.namespace, project), id: "edit_#{dom_id(project)}", class: "btn btn-sm"
-              = link_to 'Destroy', [project.namespace.becomes(Namespace), project], data: { confirm: remove_project_message(project) }, method: :delete, class: "btn btn-sm btn-remove"
-        - if @projects.blank?
-          .nothing-here-block 0 projects matches
-    = paginate @projects, theme: "gitlab"
+                %b.caret
+              %ul.dropdown-menu
+                %li
+                  = link_to admin_namespaces_projects_path(sort: sort_value_recently_created) do
+                    = sort_title_recently_created
+                  = link_to admin_namespaces_projects_path(sort: sort_value_oldest_created) do
+                    = sort_title_oldest_created
+                  = link_to admin_namespaces_projects_path(sort: sort_value_recently_updated) do
+                    = sort_title_recently_updated
+                  = link_to admin_namespaces_projects_path(sort: sort_value_oldest_updated) do
+                    = sort_title_oldest_updated
+                  = link_to admin_namespaces_projects_path(sort: sort_value_largest_repo) do
+                    = sort_title_largest_repo
+            = link_to 'New Project', new_project_path, class: "btn btn-sm btn-success"
+        %ul.well-list
+          - @projects.each do |project|
+            %li
+              .list-item-name
+                %span{ class: visibility_level_color(project.visibility_level) }
+                  = visibility_level_icon(project.visibility_level)
+                = link_to project.name_with_namespace, [:admin, project.namespace.becomes(Namespace), project]
+              .pull-right
+                - if project.archived
+                  %span.label.label-warning archived
+                %span.label.label-gray
+                  = repository_size(project)
+                = link_to 'Edit', edit_namespace_project_path(project.namespace, project), id: "edit_#{dom_id(project)}", class: "btn btn-sm"
+                = link_to 'Destroy', [project.namespace.becomes(Namespace), project], data: { confirm: remove_project_message(project) }, method: :delete, class: "btn btn-sm btn-remove"
+          - if @projects.blank?
+            .nothing-here-block 0 projects matches
+      = paginate @projects, theme: "gitlab"

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

 %ul.nav-links.scrolling-tabs
   .fade-left
-  = nav_link(controller: :dashboard, html_options: {class: 'home'}) do
-    = link_to admin_root_path, title: 'Overview' do
+  = nav_link(controller: %w(dashboard admin projects users groups), html_options: {class: 'home'}) do
+    = link_to admin_root_path, title: 'Overview', class: 'shortcuts-tree' do
       %span
         Overview
-  = nav_link(controller: [:admin, :projects]) do
-    = link_to admin_namespaces_projects_path, title: 'Projects' do
-      %span
-        Projects
-  = nav_link(controller: :users) do
-    = link_to admin_users_path, title: 'Users' do
-      %span
-        Users
-  = nav_link(controller: :groups) do
-    = link_to admin_groups_path, title: 'Groups' do
-      %span
-        Groups
   = nav_link(controller: :deploy_keys) do
     = link_to admin_deploy_keys_path, title: 'Deploy Keys' do
       %span