Merge pull request #123 from ianheggie/jruby

removed C extensions requirement to support Rubinus and help with Jruby, and ...
Bumped version.
Updated readme and changed it into markdown format.
Use the HTTPS link for the jquery-ui.css so there won't be any problems running CCRB over SSL
Remove untracked files including build products
Merge pull request #125 from vinhboy/master

Use the HTTPS link for the jquery-ui.css so there won't be any problems running CCRB over SSL
Merge pull request #126 from tcwitte/clean-checkout

Remove untracked files including build products
Fix test_clean_checkout_should_perform_git_clean not reflecting changes (and added comment to explain why those arguments where chosen)
Update travis to check only 1.8.7 and 1.9.3
Another attempt to workaround 1.9.3-p484 ruby / debugger gem versions issue
Update rake version to try and work around 1.9.3 rake version issue
Merge branch 'fix_git_clean_test' into codeclimate