[dataimport] make MetaDataGenerator / NoHookObjectStore usable from a datafeed parser ie make it possible to create entities with external source as cw_source and proper external id. Closes #4891552

#! /bin/sh -e
 
case "$1" in
    purge)
	rm -rf /etc/cubicweb.d/
	rm -rf /var/log/cubicweb/
	rm -rf /var/lib/cubicweb/
    ;;
esac
 
#DEBHELPER#
 
exit 0