some 6bone backbone cleanup recommendations

[Bill Manning]

> Setup a 6bone-ops list consisting of only mail handles registered in the
> 6bone registry:
>   should include email handles from: (David Kessens has volunteered to do
> this list)
>     the person: object, e-mail: field
>     the mntner: object, mnt-nfy: field
>     remove duplicates
>     all 6bone sites, not just backbone pTLAs


	Perhaps the better way to do this is to track the delegations
	and use the SOA contacts.  

	Its' being done to soem degree with the walking of the inverse
	tree already.

-- 
--bill