* lib/rinda/ring.rb:  Add multicast support to Rinda::RingFinger and
	  Rinda::RingServer.  [ruby-trunk - Bug #8073]
	* test/rinda/test_rinda.rb:  Test for the above.

	* NEWS: Update with Rinda multicast support


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e