parameter to daemonize, move the parameter from daemon to daemon_flags,
so that the user cannot inadvertently prevent it from daemonizing by
adjusting the flags.
Discussed with ajacoutot and schwarze, this method was suggested
by schwarze@ as a simpler alternative to my diff. ok aja@
From Kirill Bychkov with tweaks from me:
- set rc_reload
- add "@sample /var/ipcad" so you don't need to create it yourself
- use "@extraunexec rm -rf /var/ipcad/*" not rm -rf /var/ipcad