Moved OWL API dependency prior to ELK.
Initial working SPARQL query.
Moved graph implementation to inner class.
Removed printlns.
Added handling of missing SPARQL variable.
Renamed QueryExpander class to Owlet.
Fixed missing name change in Java test.
Added support for VALUES and property paths for SPARQL query.
Merge pull request #15 from phenoscape/owlery-integration

Implemented direct SPARQL evaluation for use in federated queries.