Ticket #3339. Updates to parallel universe documentation, including discussion of how to use CDE for vanilla universe MPI jobs and rearranging of topics for better flow.
Ticket #3339. Updates to parallel universe documentation, including discussion
of how to use CDE for vanilla universe MPI jobs and rearranging of topics for
better flow.

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