nagios check_process fix:
health & critical checks dependent on _check_process. DUNNO implies that "we don't know yet, you should do more checks"
this is used for the "check" command, which is a "check everything and give me one status" action.

for people that want to split these out into separate checks, we need a public api, "check_process", which should return 0 (as opposed to a non-zero status code) to