Merge remote-tracking branch 'upstream/master' into fix-git-hooks-when-creating-file

* upstream/master: (280 commits)
  Use declared_params helper in API
  Fixed issue boards when not logged in
  Fix typos and grammar
  Fix indentation in CI variables entry class
  Link to correct version of SanitizationFilter API docs for whitelist
  Use #to_h to convert params to a hash
  Grapify subscription API
  Change name of method for setting CI config entries
  Improve naming convention in ci configuration module
  Only turn on Sidekiq throttling if application settings exists
  Fix link to index.md in development README.md
  use single quote for consistency
  Also test on dev.gitlab [ci skip]
  Only run builds on master of CE or EE
  fix error links in help page
  Remove unneeded nil checks
  Remove hover state on location badge.
  Added ability to put emojis into repository name
  update redis server details
  fix Super User spacing
  ...