* upstream/master: (107 commits)
  Decrease ABC threshold to 55.25
  Adds a tooltip to the branch name
  Optimize system note service specs
  Decrease Metrics/PerceivedComplexity threshold to 17
  Upgrade mail and nokogiri gems due to security issues
  Link out to stackoverflow answer on setting swappiness
  Document swappiness recomendations in the requirements doc
  Migrate Repository.FetchRemote to Gitaly
  Fix invalid attribute used for time-ago-tooltip component
  Use the correct scope to avoid triggering all dropdowns
  fix :file_path - add requirements:
  Update latest artifacts doc
  Add changelog entry for flipping verify_certificates
  Default LDAP config verify_certificates to true
  Update share project with groups docs
  remove accidental console.log from karma tests
  update specs to match reorganized monitoring components
  Remove tooltips from new sidebar
  puts back `function` statements
  Removes disabled state from projects dropdown in dashboard page
  ...