[Distutils] Renaming this list to python-packaging

[Barry Warsaw]

Donald Stufft wrote:
> I don’t think we can rename a mailing list easily, we can create a new one and archive the old one but that has a lot of churn and breaks people’s filters, etc.

Although it should be easier to rename if the list is migrated to 
Mailman 3 first.  Please contact postmaster at p.o if you want to go that 
route.

-Barry