* master: (261 commits)
  Add link to user profile to commit avatar (!5163)
  Refactor service settings view
  Fix a problem with processing a pipeline where stage only has manual actions
  A CHANGELOG entry
  Don't show other actions of the same name
  Use limit parameter rather than hardcoded value
  Remove icons from explore nav
  Change how we style redirect_to
  Use flash[:notice] only
  Create PipelinesSettingsController for showing settings page
  Fix a few nitpicks
  Allow to disable user request access to groups/projects
  Enable Style/MultilineTernaryOperator rubocop cop
  Fix review comments
  Update routes
  Update CHANGELOG
  Improve implementation of variables
  Log cron_jobs configuration instead of raising exception
  Added checks for migration downtime
  Ensure to_json methods take optional argument
  ...