Add badges for Travis and Coveralls

Author: ansell

README.md

@@ -1,6 +1,9 @@
 JSONLD-Java RDF2Go Integration module
 =====================================
 
+[![Build Status](https://travis-ci.org/jsonld-java/jsonld-java.svg?branch=master)](https://travis-ci.org/jsonld-java/jsonld-java) 
+[![Coverage Status](https://coveralls.io/repos/jsonld-java/jsonld-java/badge.svg?branch=master)](https://coveralls.io/r/jsonld-java/jsonld-java?branch=master)
+
 USAGE
 =====