lib_eventlog_base can now run repeatedly #4076
lib_eventlog_base can now run repeatedly #4076

It now cleans up old runs before starting, instead of refusing to run.

htcondor/htcondor,neurodebian/htcondor,djw8605/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,zhangzhehust/htcondor,djw8605/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,zhangzhehust/htcondor,htcondor/htcondor,djw8605/htcondor,zhangzhehust/htcondor,htcondor/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,djw8605/htcondor,djw8605/htcondor,neurodebian/htcondor,djw8605/htcondor,djw8605/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,djw8605/htcondor,neurodebian/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,zhangzhehust/htcondor,djw8605/htcondor,htcondor/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,htcondor/htcondor,neurodebian/htcondor