Do not save copy of NNF on  OWL axioms
move vararg methods to OWLDataFactory
more convenience methods moved to OWLDataFactory
removed warnings
a few more warnings removed
Provide "trimToSize" methods on MapPointer, Internals, and
OWLAxiomIndexImpl.
add default methods to OWLOntology for direct add/remove of axioms
fix problem with OWLOntology.applyChange and SetOntologyID

ID changes need to go through an OWLOntologyManager and cannot be
applied directly to an ontology.
Added applyDirectChange to distinguish and made applyChange delegate to
the manager.
first pass of refactoring on OWLRDFConsumer