* upstream/master: (113 commits)
  Simplify Git interactions in AfterImportService
  Fixed group merge requests failure
  Rollsback changes made to signing_enabled.
  Changed title on 404 page
  Changed message and title on the 404 page
  Make Gitaly PostUploadPack mandatory
  Use gitaly 0.36.0
  Instrument MergeRequest#fetch_ref
  /move project functionality. Squash commit.
  Remove closing external issues by reference error
  fix date
  Add support for custom daysPerWeek and hoursPerDay to prettyTime.parseSeconds.
  Fix merge button dropdown caret horizontal alignment
  rename image
  adjust date
  correct date format
  reduce the dir name
  add image
  Move apt-get quiet flag in the beginning
  fixes docs lint
  ...