Update build url to point to the right travis CI url

Author: elmasse

README.md

@@ -1,5 +1,5 @@
 # Cocktail JS 
-[![Build Status](https://travis-ci.org/CocktailJS/cocktail.png?branch=master)](https://travis-ci.org/CocktailJS/Cocktail)
+[![Build Status](https://travis-ci.org/CocktailJS/cocktail.png?branch=master)](https://travis-ci.org/CocktailJS/cocktail)
 [![NPM version](https://badge.fury.io/js/cocktail.png)](http://badge.fury.io/js/cocktail)
 
 Cocktail is a small but yet powerful library with very simple principles: