Added build-status image

Author: victorjonsson

README.md

@@ -4,6 +4,8 @@ jQuery Form Validator is a **feature rich and multilingual** jQuery plugin that
 
 **Form demos and full documentation available at http://formvalidator.net/**
 
+![Travis](https://travis-ci.org/victorjonsson/PHP-Markdown-Documentation-Generator.svg)
+
 *Usage example*
 
 ```html