docs(README): update travis badge

Author: Matthew Fisher

README.md

@@ -1,6 +1,6 @@
 # Deis Workflow Documentation
 
-[![Build Status](https://travis-ci.org/deis/docs-v2.svg?branch=master)](https://travis-ci.org/deis/docs-v2)
+[![Build Status](https://travis-ci.org/deis/workflow.svg?branch=master)](https://travis-ci.org/deis/workflow)
 [![Latest Docs](http://img.shields.io/badge/docs-latest-fc1e5e.svg)](http://docs-v2.readthedocs.org/en/latest/)
 
 ## About