Sublists for posting authorization

[nneul]

This allows functionality like the "send" option for
Listserv. Patch is based on the list_exploder patch
submitted for 2.0.

Putting:

+list@thisdomain

in the *_these_nonmembers boxes, and it will expand that to
the contents of that list when checking for
authorization to
post/etc.

Patch is not very invasive, although someone more
familiar with the mailman sources will likely want to
rename the subroutines to something more in scheme.

[nneul (nneul-users)]

The file mailman-sublist-auth.diff was added: None

[nneul (nneul-users)]

Logged In: YES
user_id=22767

closing my own post, I submitted a newer version in another
patch.