refactor session_key (__errorurl) to handle cases where the form is generated throuhg an ajax call: in case of an entity form, return the entity's absolute url. Also allow to force session key value
#! /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