* master: (73 commits)
  Refactor JiraService by moving code out of JiraService#execute method
  Rename a label to fix an intermittently-failing spec
  Refactor the Git submodules with CI docs
  Add CHANGELOG entry
  Improve Gitlab::GitAccessWiki spec with download access checks
  Improve ProjectPolicy spec to check permissions when wiki is disabled
  Allow access to the wiki with git when repository feature disabled
  Refactor branch chooser in issuable form
  Improve the `Gitlab::OAuth::User` error message
  Disable the ee_compat_check task on dev
  Make the downtime_check task happy
  Revert bump in rufus-scheduler
  Fix comma-dangle in function's arguments errors
  Improvements after review
  Use created date from last_deployment
  API: Expose branch status
  Grapify the files API
  Move task helpers to a module
  Fixed GFM autocomplete regex
  Add Human Readable Timestamp to backup tar file
  ...