Fix param table defaults for periodic job policy evalution. #6199
Fix param table defaults for periodic job policy evalution. #6199

The default for PERIODIC_EXPR_INTERVAL should be 60, not 300.
Add table entries for MAX_PERIODIC_EXPR_INTERVAL and
PERIODIC_EXPR_TIMESLICE.

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor