README.md in brief-1.8.11 vs README.md in brief-1.8.12

@@ -1,5 +1,7 @@
 # Brief 
+[![Build
+Status](https://travis-ci.org/datapimp/brief.svg?branch=master)](https://travis-ci.org/datapimp/brief)
 
 Brief is a tool for building applications on top of collections of
 documents written in markdown.  
 
 Brief lets you define models very similar to how you would in