[thredds] announce: stable release TDS 4.2.10

[John Caron <caron@xxxxxxxxxxxxxxxx>]

Stable release of the TDS, version 4.2.10, is now available at:

http://www.unidata.ucar.edu/projects/THREDDS/tech/TDS.html

This is a bug fix release, incorporating CDM 4.2.32. We recommend that 
you upgrade to it.