Limit scheduler jobs in addition to local universe jobs.
Update the SYSTEM_PERIODIC_HOLD so that jobs routed by the CE don't
accidentally get caught and put on hold
Apply PERIODIC_HOLD changes to the default file as well
Fix SYSTEM_PERIODIC_HOLD to look for the proper JobAd
attribute (RoutedToJobId) when putting jobs that have been idling for >
30min on hold
Make sure to capture jobs held due to an invalid job universe before
setting their hold reason to a missing/bad route
Merge pull request #26 from brianhlin/master

SYSTEM_PERIODIC_HOLD and scheduler universe fixes