Show only processes owned by the GitLab user on the Admin-Sidekiq page

See the Pull-Request #5191
Print the configured GitLab user on the Admin-Sidekiq page
Show branches list (which branches contains commit) on commit page
Ensure that highlighted code blocks never get a text-shadow regardless of where they are or what theme is used.
Use `2>&1` because Bash 3 does not support `&>>`
Fix typo in sample smtp settings
set maximum filesize for avatar on profile page correct
Improve warning message when removing group
Improve warning message when removing account
Fix some more instances of "Created at"

"Created on" should be used when the timestamp is only a date.
Merge branch 'bash_3_compatibility' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'master' of github.com:gitlabhq/gitlabhq
Merge pull request #5410 from Popl7/fix_max_size_shown_avatar_upload_profile

set maximum filesize for avatar on profile page correct
Merge pull request #5407 from inouire/master

Fix typo in sample smtp settings
Merge pull request #5393 from anthonyryan1/master

Remove text-shadow from code blocks for all themes
Merge pull request #5345 from jojosch/sidekiq-running-procs-infopage

Show only processes owned by the GitLab user on the Admin-Sidekiq page
Merge pull request #5346 from jojosch/sidekiq-running-procs-infopage-user

Print the configured GitLab user on the Admin-Sidekiq page
Merge pull request #5340 from Undev/feature/branches_on_commit_page_pr

Show branches list (which branches contains commit) on commit page
Refactor and restyle Admin#background_jobs page
Merge pull request #5395 from dpursehouse/more-label-fixes

More label fixes