Badges

You might have seen some nice green badges in your favorite GitHub repository, indicating whether the tests associated with the code passed or not. Adding these to the README.md is straightforward enough:

[![Build Status](https://travis-ci.org/Integralist/Sinderella.png?branch=master)](https://travis-ci.org/Integralist/Sinderella) 

[![Gem Version](https://badge.fury.io/rb/sinderella.png)](http://badge.fury.io/rb/sinderella)

[![Coverage Status](https://coveralls.io/repos/Integralist/Sinderella/badge.png)](https://coveralls.io/r/Integralist/Sinderella)

Casiano Rodriguez León 2015-06-18