* master:
  Open links in a new tab on the user page
  Improve empty project overview
  Make Gitaly RepositoryExists opt-out
  Fix .batch_lfs_pointers accepting a lazy enumerator
  Look for rugged with static analysis
  Look at notes created just before merge when deciding if an MR can be reverted
  Cache rubocop cache for CI
  Update gitlab-styles and re-enable the RSpec/SingleLineHook cop again
  Make Gitlab::Git::Repository#run_git private
  Default to HTTPS for all Gravatar URLs
  Handle special characters on API request of issuable templates
  Update secret_values to support dynamic elements within parent
  Add note within ux documentation that further changes should be made within the design.gitlab project
  Disable throwOnError in KaTeX to reveal user where is the problem