bug#25736: postorius (mailman)

[ng0]

This patch series adds postorius, one part of mailman version 3.
It was reviewed by Harmut as "Okay, good to go" and I see no point in
waiting for a discussion to happen on django bits of the python build
system. If there are minor issues on the what should be propagated or
native inputs, they can be solved afterwards. The packages are good to
go.

0001-gnu-Add-python-defusedxml.patch
0002-gnu-Add-python-openid.patch
0003-gnu-Add-python-django-allauth.patch
0004-gnu-Add-python-django-gravatar2.patch
0005-gnu-Add-python-django-mailman3.patch
0006-gnu-Add-postorius.patch

For the previous discussion, search "postorius" on the guix-devel@ list.

Thanks.
-- 
ng0 -- https://www.inventati.org/patternsinthechaos/