[netcdf-java] Java NetCDF version 4.0.39 is released

Java NetCDF version 4.0.39 is released, with the usual bug fixes and 
enhancements:

download:
  http://www.unidata.ucar.edu/software/netcdf-java/

change file:
  http://www.unidata.ucar.edu/software/netcdf-java/v4.0/CHANGES

Of particular note:
  * an important bug fix that effects MAMath.sum() on Array sections, thanks to 
Barron Henderson (UNC Chapel Hill)
  * vertical transform OceanS modified, OceanSG1 and OceanSG2 added, thanks to 
Sachin Bhate (Stennis Space Center) and Rich Signell (USGS)
  * AlbersEqualArea projection now handles falseEasting and falseNorthing, 
thanks to R.Schmunk (NASA Goddard)