devtools: deprecate .req_from_url
Which uses .request()
And instead provide .admin_request_from_url, which
is a context manager yielding the request.
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0