Adds build badge

Author: austintoddj

readme.md

@@ -1,5 +1,6 @@
 # Canvas
 
+[![Build Status](https://travis-ci.org/austintoddj/Canvas.svg?branch=master)](https://travis-ci.org/austintoddj/Canvas)
 [![Total Downloads](https://poser.pugx.org/austintoddj/canvas/downloads)](https://packagist.org/packages/austintoddj/canvas)
 [![Latest Stable Version](https://poser.pugx.org/austintoddj/canvas/v/stable)](https://packagist.org/packages/austintoddj/canvas)  [![Latest Unstable Version](https://poser.pugx.org/austintoddj/canvas/v/unstable)](https://packagist.org/packages/austintoddj/canvas) [![License](https://poser.pugx.org/austintoddj/canvas/license)](https://packagist.org/packages/austintoddj/canvas)