Representation unit tests
Merge branch 'demo-master' into representation-unit-tests

Conflicts:
	src/groovy/marketplace/rest/representation/in/IdRefInputRepresentation.groovy
OZF-179: StewardedOrganizationRep unit test
Moving IwcSystemRepresentation to correct folder
Reader and Writer tests
RestService and RepresentationResource tests
Merge branch 'representation-unit-tests' into demo-master

Conflicts:
	src/groovy/marketplace/rest/representation/out/IwcApiRepresentation.groovy