added travis ci status badge to readme

mreinstein · mreinstein · commit 6b02814b2a7b · 2016-09-11T12:00:48.000-07:00
diff --git a/README.md b/README.md
@@ -1,6 +1,8 @@
 Nodeunit
 ========
 
+[![Build Status](https://travis-ci.org/caolan/nodeunit.svg?branch=master)](https://travis-ci.org/caolan/nodeunit)
+
 Simple syntax, powerful tools. Nodeunit provides easy async unit testing for
 node.js and the browser.
 
