Merge pull request #18 from deis/travis-ci-badge

feat(README): add Travis badge

Author: Seth Goings

README.md

@@ -1,5 +1,7 @@
 # Deis Pkg
 
+[![Build Status](https://travis-ci.org/deis/pkg.svg?branch=master)](https://travis-ci.org/deis/pkg)
+
 The Deis Pkg project contains shared Go libraries that are used by
 several Deis projects.