* upstream/master: (43 commits)
  Disable warming of the asset cache in Spinach tests under CI
  Trim project_path whitespace on form submit
  added skipped definition
  updated some links in definitions
  Don't use Hash#slice since it's not supported in Ruby 2.1
  Create protected branches bundle
  [ci skip] Add a comment explaining validate_board_limit callback
  Fix: Backup restore doesn't clear cache
  Fix GitLab project import when a user has access only to their default namespace.
  Test GitLab project import for a user with only their default namespace.
  We want to release this in 8.13.0
  Add CHANGELOG.md entry
  Return truncation for notification descriptions, fix minor bugs with rendering
  Use guard clause instead of if-else statement
  Tests for markdown HipChat notifications
  Clean up Banzai HTML for HipChat
  Ensure absolute URLs for single lines from Banzai for HipChat
  Absolute URLs for Banzai HTML for HipChat
  Also render commit titles in HipChat notifications
  Full Banzai rendering for HipChat notifications
  ...