Fix exit codes and error messages.
Fix exit codes and error messages.

matyasselmeci/htcondor-ce,opensciencegrid/htcondor-ce,matyasselmeci/htcondor-ce,matyasselmeci/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce,brianhlin/htcondor-ce,opensciencegrid/htcondor-ce,brianhlin/htcondor-ce