[sql generation] fix missing join with outer joins w/ rhs invariant variable... ... where the principal where not the processed relation. This led to major refactoring in outer join handling, which is now much clearer and powerful. Closes #1579228

#! /bin/sh -e
 
case "$1" in
    remove)
	if [ -x "/etc/init.d/cubicweb-ctl" ]; then
	    invoke-rc.d cubicweb-ctl stop || true
	fi
    ;;
esac
 
#DEBHELPER#
 
exit 0