Today, Suchandra told me that even though the OSG's vdt-questions.sh
pre-answers the questions for the PBS and LSF Gratia probes, he was
asked the question anyway.
The problem is that configure_gratia was updated to look at new
environment variables (the ones in vdt-questions.sh), but the
questions.xml file was not updated.
Updating questions is generally a painful thing because it might require
re-running make-vdt on multiple packages: all packages that depend on
the package that has the question. Fortunately nothing depends on
Gratia-PBS-Probe or Gratia-LSF-Probe, so we're in good shape to just fix
it and rebuild these two packages.