Setting the rspec format to documentation
Updating .gitignore
Adding a markdown renderer example in config generator
Moving all the logic from the helper to the Mustdown module (ref #2)
Adding a section about module usage in the README (ref #2)
Cleaning up the README
Adding some comments in the rails engine
Chaning the redcarpet version specification to work with v3.0.0
Tuning the dummy app to remove the useless parts
Adding travis-ci configuration
Adding coverall dependencie
Adding some badges to the README