fix coverity defects
improve grib compress stats
add hdf5 bzip2 uncompress;
improve compress tests;
UI: dump binary data to file
fix coverity defects
UI: Coverity fixes.

Also fix some issues identified by IntelliJ.
refactor ncep local table processing to allow multiple versions;
bug in grib2tableviewer compare
refactor ncep local table processing to allow multiple versions;
bug in grib2tableviewer compare
Merge remote-tracking branch 'origin/4.5.4' into 4.5.4
Fixed Gradle build for 4.5.3
Merge branch 'gradle' of https://github.com/cwardgar/thredds into gradle