- Remove references to setting build-time defaults via Imake configuration
- Show actual default $PATH & authDir settings in man page
- Whitespace & minor formatting fixes in man page
- Update man page info on multicast addresses from RFC 2373 to RFC 4291
- Add notes on mailing list, git repo, and patches to README

Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>