Merge branch 'dz-rename-personal-access-tokens' into 'master'

Rename profile navigation tab 'Personal Access Tokes' to 'Access Tokens'

For https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/3749#note_12994215. We should not use more than 2 words for tab name 

See merge request !5187

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

@@ -18,9 +18,9 @@
           %span
             Applications
     = nav_link(controller: :personal_access_tokens) do
-      = link_to profile_personal_access_tokens_path, title: 'Personal Access Tokens' do
+      = link_to profile_personal_access_tokens_path, title: 'Access Tokens' do
         %span
-          Personal Access Tokens
+          Access Tokens
     = nav_link(controller: :emails) do
       = link_to profile_emails_path, title: 'Emails' do
         %span