* core-extraction: (75 commits)
  [Documenation] Clean-up.
  Fixes for core changes.
  [Gitignore] Added docs.
  [Rake] Added docs support.
  Make most of the specs green.
  [Sandbox] Added #specification.
  [Resolver] No need to pass the platform to external sources.
  [ExternalSources] Clean-up and docs.
  [Sandbox] Comments.
  [Resolver] Clean-up and specs update.
  [SpecHelper] Fine tune bacon helper.
  Updated master repo fixture.
  [Specs] Fix for master repo update & small performance improvements.
  [Gemfile] Use WebMock >= 1.8.0, < 1.9 as requested by VCR.
  Minor fixes.
  [Changelog]
  [SpecHelper] More refinement for bacon support.
  [TargetInstaller] Extracted XCConfig generation to Generator::XCConfing.
  Release 0.16.0
  [RakeFile] More fixes for release task.
  ...

Conflicts:
	CHANGELOG.md