Small fix for setting params by name
New argument to get_constraints so you can get linear ones.
Merge pull request #1810 from Kenneth-T-Moore/linear

New argument to get_constraints so you can get linear ones.
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into mpi
Don't applyJ on systems that have no relevant inputs or outputs
Merge branch 'mpi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into mpi
added debugging