[test/windmill] Gracefully skip windmill test if windmill can't be imported. If windmill import fails the windmill module is set to None and a dummy CubicWebWindmillUseCase test class is create. This class contains a test that skip itself with a proper warning message.

#! /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