* integration_take_2_0_17_test:
  [Specs Integration] Clean implementation a bit.
  [TargetInstaller] Sort headers in xcconfig.
  [Bundle] update
  Add .hg folders to specs repos
  [Gitignore] Don't ignore .hg folders
  [Specs Integration] Added more tests.
  [Specs Integration] Clean up implementation.
  [Specs Integration] Skip unreliable tests.
  [Installer] Don't show using existing documentation message if docs should be skipped
  [Specs] Added integration specs
  [Specs Integration] Add check for output.
  Integrations tests part 2