* upstream/master: (224 commits)
  Added balsamiq jasmine integration test
  Add support for deltas_only under Gitaly
  Codestyle
  Update CHANGELOG.md for 9.1.4
  Update CHANGELOG.md for 9.1.4
  Update CHANGELOG.md for 9.1.4
  Update CHANGELOG.md for 9.1.4
  Minor cosmetic fixes in hooks admin screen
  Documentation for repository_update_events
  Changelog
  Update SystemHooks API to expose and handle new repository_update_events
  Make the new repository_update_events configurable in System Hooks UI
  Added repository_update hook
  Wait for requests after each Spinach scenario instead of feature
  Remove trailing comma in dependency linker to satisfy Rubocop
  Fix specs
  New branch new mr docs
  Relax rake backup regex to handle CE and EE RCs
  Fix conflict resolution from corrupted upstream
  Removed all instances of Object.assign by using es6 classes, also includes some …
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