Add CI bage.

README.md

@@ -1,5 +1,9 @@
 # LAKEsuperior
 
+[![build status](
+  http://img.shields.io/travis/scossu/lakesuperior/master.svg?style=flat)](
+ https://travis-ci.org/username/repo)
+
 LAKEsuperior is an alternative [Fedora Repository](http://fedorarepository.org)
 implementation.