1) I updated the visit create checksums script for 1.6.1. This constisted
   of adding the new binary distributions that are available for 1.6.1 and
   the additional third party libraries that have been added to the web site.

2) I merged some 1.6.1 RC changes that hadn't previously been merged.



git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@1760 18c085ea-50e0-402c-830e-de6fd14e8384