Modified behaviour of Jena calls to not load imported ontologies if requested.
  - reverts a previous change of behaviour but supports the functionality with expanded API.
SimpleQuery now uses the Jena-no-follow-imports API changes to StructuralSingleton
Added diagrammetrics for Only \sqsubseteq *.
Added Some Subset * metrics to diagrammetrics.
Redirect all log4j output to stderr.