Gittrac #4130:  Fixed job_dagman_propogate_priorities.run so that
it actually make sure the nodes have the right priorities.
Fixed errors in a few tests that I happened to find while working on
other stuff.
Merge branch 'V8_0-branch' of /p/condor/repository/CONDOR_SRC into V8_0-branch
Improve description of file paths in DAGs. #3971
Merge branch 'V8_0-branch'