close #213: jslint_happy option will make switch/case at same indent level.
Add tests for jslint_happy switch/case.
Contributing init and publishing

Basic iteration
Update CONTRIBUTING.md
Merge pull request #230 from hickop/master

Make switch/case same indent level if jslint_happy is activated.
Add tweak to switch/case tests

Provide counter test using same inputs for jslint_happy = false.

Additional for #230, #213.
Merge branch 'master' of github.com:einars/js-beautify into gh-pages