cleanup of cdm test data directory
grib2 table refactor (2)
grib2 table refactor (2)
Merge remote-tracking branch 'origin/4.5.4' into 4.5.4

Conflicts:
	ui/src/main/java/ucar/nc2/ui/grib/Grib2CollectionPanel.java
	ui/src/main/java/ucar/nc2/ui/grib/GribIndexPanel.java
remove ranges from wmo code tables