Merge pull request #2 from ybonnefond/greenkeeper/initial

Add Greenkeeper badge 🌴

README.md

@@ -1,6 +1,6 @@
 headers no matched by default
 # Stubborn 
-[![Build Status](https://travis-ci.org/ybonnefond/stubborn.svg?branch=master)](https://travis-ci.org/ybonnefond/stubborn) [![Coverage Status](https://coveralls.io/repos/github/ybonnefond/stubborn/badge.svg?branch=master)](https://coveralls.io/github/ybonnefond/stubborn?branch=master)
+[![Build Status](https://travis-ci.org/ybonnefond/stubborn.svg?branch=master)](https://travis-ci.org/ybonnefond/stubborn) [![Coverage Status](https://coveralls.io/repos/github/ybonnefond/stubborn/badge.svg?branch=master)](https://coveralls.io/github/ybonnefond/stubborn?branch=master) [![Greenkeeper badge](https://badges.greenkeeper.io/ybonnefond/stubborn.svg)](https://greenkeeper.io/)
 
 Stubborn web server to mock external api responses