Merge branch '2.x.x' of github.com:Team-Sass/breakpoint into 2.x.x

* '2.x.x' of github.com:Team-Sass/breakpoint:
  Fix filenames for README & CHANGELOG in the gemspec.

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breakpoint.gemspec

@@ -16,8 +16,8 @@ Gem::Specification.new do |s|
  s.licenses = ["MIT", "GPL-2.0"]
 
  # Gem Files
- s.files = ["README.markdown"]
- s.files += ["CHANGELOG.markdown"]
+ s.files = ["README.md"]
+ s.files += ["CHANGELOG.md"]
  s.files += Dir.glob("lib/**/*.*")
  s.files += Dir.glob("stylesheets/**/*.*")