Add a periodic job to clean up the command spool directory.
Add a periodic job to clean up the command spool directory.

If nagios has problems and has trouble handling the command files we
give it then some command files may be orphaned. Add a 1 minute job to
clean up anything that is older than 5 minutes to prevent too many such
files from building up.

marineam/nagcat,marineam/nagcat,marineam/nagcat