* upstream/master: (516 commits)
  Rename `run` task helper method to prevent conflict with StateMachine
  Add a method in Project to return a cached value of total count of projects
  Add Changelog entry for Grape upgrade [ci skip]
  Fix Grape tests.
  Retain old behavior
  Update Grape from 0.13.0 to 0.15.0.
  adds second batch of tests changed to active tense
  fixes part1 of files to start using active tense
  Clarify the features for generating default label sets
  Update tree view to sort folders with submodules
  Memoize CI config node validator to prevent leaks
  fix MR source project assignment
  remove offending empty line
  Rails prefers require_dependency so that it won't require twice:
  use Unix line endings for API documentation
  use long options for curl examples in API documentation (!5703)
  Prefixes removed branches name with PR number when importing PR from GH
  Update CHANGELOG
  Remove SHA suffix for removed branches name when importing PR from GH
  add linting script for documentation
  ...