Merge remote-tracking branch 'remotes/origin/target-4.3.20' into target-4.4.0

Conflicts:
	README.md
	bufr/pom.xml
	cdm-test/pom.xml
	cdm-test/src/test/java/ucar/nc2/iosp/hdf5/TestOddTypes.java
	cdm/pom.xml
	cdm/src/main/java/ucar/nc2/dataset/CoordinateAxis1DTime.java
	cdm/src/main/java/ucar/nc2/dt/radial/LevelII2Dataset.java
	cdm/src/main/java/ucar/nc2/iosp/hdf5/FractalHeap.java
	cdm/src/test/java/ucar/nc2/jni/netcdf/TestNc4IospReading.java
	cdmvalidator/pom.xml
	docs/web/netcdf-java/site/formats/DataDiscoveryAttConvention.html
	dts/pom.xml
	grib/pom.xml
	grib/src/main/java/ucar/nc2/grib/TimePartition.java
	grib/src/main/java/ucar/nc2/grib/VertCoord.java
	grib/src/main/java/ucar/nc2/grib/grib2/Grib2TimePartitionBuilder.java
	grib/src/test/java/ucar/nc2/grib/TestJustReadGrib.java
	it/pom.xml
	ncIdv/pom.xml
	opendap/pom.xml
	pom.xml
	tdcommon/pom.xml
	tdm/pom.xml
	tds/pom.xml
	tds/src/main/webapp/WEB-INF/web.xml
	udunits/pom.xml
	ui/pom.xml
	visad/pom.xml
	wmotables/pom.xml