Merge branch '25002-sentence-case-dashboard-tabs' into 'master'

Changes project dashboard tabs to sentence casing

Changes the nav tab titles on the project dashboard page (```https://gitlab.com/dashboard/projects```) from title casing to sentence casing.

Before: ![Screen_Shot_2016-11-26_at_11.17.23_PM](/uploads/a31c951cf83f7670acee778db9337be5/Screen_Shot_2016-11-26_at_11.17.23_PM.png)

After: ![Screen_Shot_2016-11-26_at_11.17.39_PM](/uploads/a0cb5f6b6771e6f5149750ea1e7beb02/Screen_Shot_2016-11-26_at_11.17.39_PM.png)

Closes #25002

See merge request !7774

app/views/dashboard/_projects_head.html.haml

@@ -4,13 +4,13 @@
   %ul.nav-links
     = nav_link(page: [dashboard_projects_path, root_path]) do
       = link_to dashboard_projects_path, title: 'Home', class: 'shortcuts-activity', data: {placement: 'right'} do
-        Your Projects
+        Your projects
     = nav_link(page: starred_dashboard_projects_path) do
       = link_to starred_dashboard_projects_path, title: 'Starred Projects', data: {placement: 'right'} do
-        Starred Projects
+        Starred projects
     = nav_link(page: [explore_root_path, trending_explore_projects_path, starred_explore_projects_path, explore_projects_path]) do
       = link_to explore_root_path, title: 'Explore', data: {placement: 'right'} do
-        Explore Projects
+        Explore projects
   .nav-controls
     = form_tag request.path, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|

changelogs/unreleased/25002-sentence-case-dashboard-tabs.yml

+---
+title: Sentence cased the nav tab headers on the project dashboard page
+merge_request: 
+author: Ryan Harris

spec/features/profiles/preferences_spec.rb

@@ -73,7 +73,7 @@ describe 'Profile > Preferences', feature: true do
         expect(page.current_path).to eq starred_dashboard_projects_path
       end
-      click_link 'Your Projects'
+      click_link 'Your projects'
       expect(page).not_to have_content("You don't have starred projects yet")
       expect(page.current_path).to eq dashboard_projects_path