1.21.1 run up, including new download instructions and fix broken hyperlinks

svn path=/trunk/boost/libs/min_rand/; revision=9557
Change all eGroups references to YahooGroups

svn path=/trunk/boost/libs/min_rand/; revision=9979
Fix broken hyperlink

svn path=/trunk/boost/libs/min_rand/; revision=10896
1.25.0 Final runup

svn path=/trunk/boost/libs/min_rand/; revision=11315
Removed as obsolete - use Boost.Random instead

svn path=/trunk/boost/boost/min_rand.hpp; revision=19812