add build status image

aaronpk · aaronpk · commit 4a3ac344e243 · 2015-10-14T08:17:35.000-07:00
diff --git a/README.md b/README.md
@@ -1,6 +1,8 @@
 link-rel-parser-php
 ===================
 
+[![Build Status](https://travis-ci.org/indieweb/link-rel-parser-php.png?branch=master)](http://travis-ci.org/indieweb/link-rel-parser-php)
+
 Parse HTTP `Link` headers into a structured format
 
 ## Tests
