8148628: TIFFDirectory(getAsMetaData) created with one TIFFField having a IFD pointer tag throws ClassCastException & other naming differences (JEP 262) Summary: Clean up some handling of TIFFDirectory instances contained in TIFFFields and make a couple of minor changes to Exif and GeoTIFF tag names. Reviewed-by: prr

^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/