* ee/master: (206 commits)
  Change method signature to allow stubbing multiple features
  Fixes missing overflow on the right sidebar
  Clarify terminology that authorized_keys box should be unchecked for Geo
  Add documentation for GitLab ruby monitoring
  Return empty array if no issue_references param or target_issue is given
  Return correct error messages / http statuses for the public API
  Render source_issue and target_issue resources with issue entity instead returning IDs
  Render 404 whenever we cannot find or not authorized Issue/IssueLink
  Improve IssueLinks::DestroyService test messages
  Add tests to ensure ability to create and remove issue links
  Improve success test context text
  Add test for expected resource data on /links endpoint
  Use rescued 404 instead explicity not_found method call
  Improve issue links API doc
  Add docs
  Add related issues public API
  Found one more comment that is different in CE
  Ported Comment Changes to EE
  Changelog
  Change `path_with_namespace` to `full_path` and other codestyle fixes
  ...