* ee/master:
  Added Authorized Keys specific checks for Geo
  Simplify database replication instructions and make dryer
  Add SAST docs for EE
  Combine ssh docs and rename the doc
  Docs: update documentation guidelines
  Replace gl.utils.formatDate in place of exported function
  Add deprecated page back in
  Docs: add indexes for monitoring and performance monitoring
  Add docs for commit diff discussion in merge requests
  Import gitlab_projects.rb from gitlab-shell
  Show clear message when set-geo-primary-node was successful
  fix formatting of parameters for new group and transfer project to group