[visad] VisAD library updated to fix issue with derivatives

The visad.jar file has been updated to fix one very old bug, as
described below.  The JAR file is available at:
ftp://ftp.ssec.wisc.edu/pub/visad-2.0/visad.jar.

Here is the changelog:

visad/FlatField.java  revision 1.116  date: 2010/02/16 22:06:03   author: rink
 Fix bug in derivative, wrong 'step' being use for partial derivative


-- 
Tom Whittaker
University of Wisconsin-Madison
Space Science & Engineering Center (SSEC)
Cooperative Institute for Meteorological Satellite Studies (CIMSS)
1225 W. Dayton Street
Madison, WI  53706  USA
ph: +1 608 262 2759