Add bin/quality with rubocop
Merge remote-tracking branch 'origin/master' into add-quality-tools

* origin/master:
  Add bin/build
  Add rspec

Conflicts:
	Gemfile
	Gemfile.lock
Add bin/quality to bin/build
Mention build and quality tools in the README
Fix typo in README
Merge pull request #4 from fs/add-quality-tools

Add bin/quality with rubocop