Added a file which automatically runs the delay agent on FreeBSD with the right options

event/delay-agent/new/run-delay.sh

+
+echo ./delay-agent -E $1/$2 -f /var/emulab/boot/delay_mapping -s localhost -k /var/emulab/boot/eventkey -i delay-agent.pid
+./delay-agent -E $1/$2 -f /var/emulab/boot/delay_mapping -s localhost -k /var/emulab/boot/eventkey -i delay-agent.pid
+