wip: more work on making adapters nice
wip: working on adding convenience FilePattern SCIFIO method
fix: Removed unnecessary SCIFIO field from DfltInitService
fix: Added HasSCIFIO interface to cache a SCIFIO
fix: moved AttributeService to Services package
wip: converted Services to scijava context

eliminated ome.scifio.discovery package
wip: removing DatasetMetadata interface