Add travis badge

Author: daspecster

README.md

@@ -2,4 +2,5 @@
 Official python library for GetZiptastic.com
 
 [![Documentation Status](https://readthedocs.org/projects/ziptastic-python/badge/?version=latest)](http://ziptastic-python.readthedocs.org/en/latest/?badge=latest)
+[![Build Status](https://travis-ci.org/Ziptastic/ziptastic-python.svg?branch=master)](https://travis-ci.org/Ziptastic/ziptastic-python)
 [![Coverage Status](https://coveralls.io/repos/Ziptastic/ziptastic-python/badge.svg?branch=master&service=github)](https://coveralls.io/github/Ziptastic/ziptastic-python?branch=master)