Merge branch 'admin-nav' into 'master'

Sidebar updates

## What does this MR do?
Updates `nav/_admin.html.haml` and `nav/_explore.html.haml` to match new compact sidebar design

## Screenshots (if relevant)
![Screen_Shot_2016-06-07_at_2.19.18_PM](/uploads/5699987001de901a67d503b097d1b19d/Screen_Shot_2016-06-07_at_2.19.18_PM.png)

See merge request !4517

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

@@ -2,106 +2,102 @@
   = nav_link(controller: :dashboard, html_options: {class: 'home'}) do
     = link_to admin_root_path, title: 'Overview' do
       = icon('dashboard fw')
-      %span
+      .nav-link-text
         Overview
   = nav_link(controller: [:admin, :projects]) do
     = link_to admin_namespaces_projects_path, title: 'Projects' do
       = icon('cube fw')
-      %span
+      .nav-link-text
         Projects
   = nav_link(controller: :users) do
     = link_to admin_users_path, title: 'Users' do
       = icon('user fw')
-      %span
+      .nav-link-text
         Users
   = nav_link(controller: :groups) do
     = link_to admin_groups_path, title: 'Groups' do
       = icon('group fw')
-      %span
+      .nav-link-text
         Groups
   = nav_link(controller: :deploy_keys) do
     = link_to admin_deploy_keys_path, title: 'Deploy Keys' do
       = icon('key fw')
-      %span
+      .nav-link-text
         Deploy Keys
   = nav_link path: ['runners#index', 'runners#show'] do
     = link_to admin_runners_path, title: 'Runners' do
       = icon('cog fw')
-      %span
+      .nav-link-text
         Runners
-        %span.count= number_with_delimiter(Ci::Runner.count(:all))
   = nav_link path: 'builds#index' do
     = link_to admin_builds_path, title: 'Builds' do
       = icon('link fw')
-      %span
+      .nav-link-text
         Builds
-        %span.count= number_with_delimiter(Ci::Build.count(:all))
   = nav_link(controller: :logs) do
     = link_to admin_logs_path, title: 'Logs' do
       = icon('file-text fw')
-      %span
+      .nav-link-text
         Logs
   = nav_link(controller: :health_check) do
     = link_to admin_health_check_path, title: 'Health Check' do
       = icon('medkit fw')
-      %span
+      .nav-link-text
         Health Check
   = nav_link(controller: :broadcast_messages) do
     = link_to admin_broadcast_messages_path, title: 'Messages' do
       = icon('bullhorn fw')
-      %span
+      .nav-link-text
         Messages
   = nav_link(controller: :hooks) do
     = link_to admin_hooks_path, title: 'Hooks' do
       = icon('external-link fw')
-      %span
+      .nav-link-text
         Hooks
   = nav_link(controller: :background_jobs) do
     = link_to admin_background_jobs_path, title: 'Background Jobs' do
       = icon('cog fw')
-      %span
+      .nav-link-text
         Background Jobs
   = nav_link(controller: :appearances) do
     = link_to admin_appearances_path, title: 'Appearances' do
       = icon('image')
-      %span
+      .nav-link-text
         Appearance
 
   = nav_link(controller: :applications) do
     = link_to admin_applications_path, title: 'Applications' do
       = icon('cloud fw')
-      %span
+      .nav-link-text
         Applications
 
   = nav_link(controller: :services) do
     = link_to admin_application_settings_services_path, title: 'Service Templates' do
       = icon('copy fw')
-      %span
+      .nav-link-text
         Service Templates
 
   = nav_link(controller: :labels) do
     = link_to admin_labels_path, title: 'Labels' do
       = icon('tags fw')
-      %span
+      .nav-link-text
         Labels
 
   = nav_link(controller: :abuse_reports) do
     = link_to admin_abuse_reports_path, title: "Abuse Reports" do
       = icon('exclamation-circle fw')
-      %span
+      .nav-link-text
         Abuse Reports
-        %span.count= number_with_delimiter(AbuseReport.count(:all))
 
   - if askimet_enabled?
     = nav_link(controller: :spam_logs) do
       = link_to admin_spam_logs_path, title: "Spam Logs" do
         = icon('exclamation-triangle fw')
-        %span
+        .nav-link-text
           Spam Logs
-          %span.count= number_with_delimiter(SpamLog.count(:all))
 
   = nav_link(controller: :application_settings, html_options: { class: 'separate-item'}) do
     = link_to admin_application_settings_path, title: 'Settings' do
       = icon('cogs fw')
-      %span
+      .nav-link-text
         Settings

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

@@ -2,20 +2,20 @@
   = nav_link(path: ['dashboard#show', 'root#show', 'projects#trending', 'projects#starred', 'projects#index'], html_options: {class: 'home'}) do
     = link_to explore_root_path, title: 'Projects' do
       = icon('bookmark fw')
-      %span
+      .nav-link-text
         Projects
   = nav_link(controller: [:groups, 'groups/milestones', 'groups/group_members']) do
     = link_to explore_groups_path, title: 'Groups' do
       = icon('group fw')
-      %span
+      .nav-link-text
         Groups
   = nav_link(controller: :snippets) do
     = link_to explore_snippets_path, title: 'Snippets' do
       = icon('clipboard fw')
-      %span
+      .nav-link-text
         Snippets
   = nav_link(controller: :help) do
     = link_to help_path, title: 'Help' do
       = icon('question-circle fw')
-      %span
+      .nav-link-text
         Help