Adding Travis CI image badge.

Author: rmariuzzo

README.md

@@ -3,6 +3,8 @@ checkboxes.js
 
 **Checkboxes.js** is a jQuery plugin that give you nice powers over your checkboxes.
 
+[![Build Status](https://travis-ci.org/rmariuzzo/checkboxes.js.svg?branch=develop)](https://travis-ci.org/rmariuzzo/checkboxes.js)
+
 For more information check the [documentation site](http://rmariuzzo.github.io/checkboxes.js).
 
 Features
@@ -35,4 +37,4 @@ Credits
 
 **checkboxes.js** was created by [rmariuzzo](http://github.com/rmariuzzo) with all the love in the world.
 
-**checkboxes.js** would not have been possible without the help of: [jQuery](http://jquery.com/), [Highlight.js](http://softwaremaniacs.org/soft/highlight/en/), [Font Awesome](http://fortawesome.github.io/Font-Awesome/), [Glyphicons](http://glyphicons.com/), [Twitter Bootstrap](http://twitter.github.io/bootstrap/) and [Subtle Patterns](http://subtlepatterns.com/). _I'm very thankful for all!_
+**checkboxes.js** would not have been possible without the help of: [jQuery](http://jquery.com/), [Highlight.js](http://softwaremaniacs.org/soft/highlight/en/), [Font Awesome](http://fortawesome.github.io/Font-Awesome/), [Glyphicons](http://glyphicons.com/), [Twitter Bootstrap](http://twitter.github.io/bootstrap/) and [Subtle Patterns](http://subtlepatterns.com/). _I'm very thankful for all!_