[skel] default debian/rules use pysupport to compile python files
Drop the unused python-dev build-dependency (only necessary for binary extensions)
#! /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