[notification] use new style operation for notification
This results in far less operations created. Operation creation is expensive.
We keep some compatibility with the previous API because some cubes have been
reported to use it.
#! /bin/sh -e
if [ -x "/etc/init.d/cubicweb-ctl" ]; then
invoke-rc.d cubicweb-ctl restart || true
fi
#DEBHELPER#
exit 0