1) I improved the readability of one of the bullets in the release notes.

2) I modified the logic in the host profile list that tweeks old host profiles
   to no longer touch the ones on purple, up, um and uv. I also updated the
   list of old profiles to delete.



git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@6705 18c085ea-50e0-402c-830e-de6fd14e8384