[visad] VisAD update information

Hello everyone...

In response to numerous requests from the community, starting with the
next VisAD release (whenever that is), two minor changes will be made:

1. The "DATE" file which is contained in the visad.jar will now
include a revision number appended after the usual date/time.  The new
file will look like this:

       Tue Mar 13 12:54:53 CDT 2012  Rev:5946

2. When I send the update message around, I will direct you to a
sub-directory on the ftp server that will contain the updated JAR
files.  For example:


This sub-directory will clearly identify the revision number and will
be maintained on-line for a period of time, to allow easy access to
older versions.

As we are currently using "svn" for source control, the "revision
number" is the svn revision number.

Please NOTE:  the updated JAR files will also be in their usual place
(at the "root" of the pub/visad directory) for your convenience.


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