[test, cw props] ensure we can't add user specific / system-wide properties
we had this pb on an historical instance in our intranet (eg. running
for about 8 years).
#! /bin/sh -ecase "$1" in remove) if [ -x "/etc/init.d/cubicweb-ctl" ]; then invoke-rc.d cubicweb-ctl stop || true fi ;;esac#DEBHELPER#exit 0