Change to hasDataReference and DataReference
Fix Podd Artifact Manager test
fix test numbers in podd sesame manager test
Fix GetMetadataResourceImplTest
Merge branch 'master' into sparqldatareference

Conflicts:
	api/src/test/java/com/github/podd/api/test/TestConstants.java
Merge remote-tracking branch 'origin/master' into sparqldatareference