Add deleteArtifact to API
add test for deleteArtifact
mark PoddArtifact as deprecated
add deleteArtifact to DeleteArtifactResourceImpl
add exception to deleteArtifact method
commit progress
fix compile for PoddSesameManagerImpl
add initial implementation of delete in Restlet PODD Client
implement deletion in PoddSesameManager and PoddArtifactManagerImpl
add simple initial test for delete ontologies method in podd sesame
manager
Merge branch 'deleteartifact'
fix numbers for test after merge back to master