Integrations tests part 2
[Specs Integration] Add check for output.
[Specs] Added integration specs
[Installer] Don't show using existing documentation message if docs should be skipped
[Specs Integration] Skip unreliable tests.
[Specs Integration] Clean up implementation.
Merge branch 'master' into integration_take_2

* master:
  [Specs] Fix for master repo changes
[Specs Integration] Added more tests.
[Gitignore] Don't ignore .hg folders
Add .hg folders to specs repos
[Bundle] update
[TargetInstaller] Sort headers in xcconfig.
[Specs Integration] Clean implementation a bit.
Merge branch 'integration_take_2' into integration_take_2_0_17_test

* integration_take_2:
  [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

Conflicts:
	.gitignore
	Gemfile.lock
	lib/cocoapods/installer.rb
	lib/cocoapods/installer/target_installer.rb
[Specs Integration] Preserve the results of each test.
[Changelog] Minor update
[Examples] Updated the lockfile.
Minor fixes to the installation process
Merge branch 'integration_take_2_0_17_test' into 0.17

* 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
Merge branch 'integration_take_2' into 0.17

* integration_take_2:
  [Specs Integration] Preserve the results of each test.