devtools: deprecate .req_from_url
Which uses .request()
And instead provide .admin_request_from_url, which
is a context manager yielding the request.
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s views/forms/actions/components for web ui"""