Unit test updates
Merge remote-tracking branch 'mine/master'

Conflicts:
	jaggr-service/src/main/java/com/ibm/jaggr/service/impl/layer/LayerImpl.java
	jaggr-service/src/main/java/com/ibm/jaggr/service/impl/transport/AbstractHttpTransport.java
	jaggr-service/src/test/java/com/ibm/jaggr/service/test/TestUtils.java