fix: defaulttranslator creates imagemetadata
wip: JPEG2000
wip: JPEGFormat
wip: jpegtileformat
WIP: Converted NRRDFormat

Converted the loci.formats NRRDReader to an ome.scifio NRRDFormat.

***NOTE***
Currently fails the OpenBytesPerformanceTest until Bio-Rad reader is
available - needs to support a PIC.gz file.