Improved switchboard documentation.
Improved switchboard documentation.

Noted that switchboard error descriptor is always closed when the job
is executed.  Provided example of how to combine switchboard error
and job stderr.

htcondor/htcondor,djw8605/condor,djw8605/htcondor,bbockelm/condor-network-accounting,zhangzhehust/htcondor,djw8605/htcondor,htcondor/htcondor,zhangzhehust/htcondor,zhangzhehust/htcondor,mambelli/osg-bosco-marco,neurodebian/htcondor,zhangzhehust/htcondor,djw8605/condor,djw8605/condor,djw8605/htcondor,bbockelm/condor-network-accounting,htcondor/htcondor,mambelli/osg-bosco-marco,mambelli/osg-bosco-marco,neurodebian/htcondor,zhangzhehust/htcondor,neurodebian/htcondor,djw8605/htcondor,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,djw8605/condor,zhangzhehust/htcondor,neurodebian/htcondor,neurodebian/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,mambelli/osg-bosco-marco,djw8605/condor,djw8605/condor,djw8605/htcondor,bbockelm/condor-network-accounting,mambelli/osg-bosco-marco,neurodebian/htcondor,djw8605/htcondor,djw8605/htcondor,htcondor/htcondor,bbockelm/condor-network-accounting,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,djw8605/condor,djw8605/htcondor,neurodebian/htcondor,zhangzhehust/htcondor,bbockelm/condor-network-accounting,bbockelm/condor-network-accounting,htcondor/htcondor,bbockelm/condor-network-accounting,djw8605/condor,mambelli/osg-bosco-marco,mambelli/osg-bosco-marco,zhangzhehust/htcondor,djw8605/htcondor,neurodebian/htcondor