Modifed error message to clarify list_deriv_vars error due to an undefined variable.
Made error messages related to list_deriv_vars more clear.
Merge branch 'mpi' of https://github.com/kenneth-t-moore/OpenMDAO-Framework into mpi
Alterning error messages.
Merge remote-tracking branch 'JustinSGray/dev' into mpi
Added error message specific to VarTrees
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into mpi
cleanup
test for Bret
Reverted assembly.py to original state since deriv var checks reside in Component.check_config.
Merge branch 'mpi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into dev
small fix
Merge branch 'mpi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into dev
cleanup
test fix
test fix
Fix for GS with subbed driver
Merge branch 'mpi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into dev
Merge branch 'refactor' of github.com:naylor-b/OpenMDAO-Framework into refactor
some cleanup and added some caching to get rid of some overhead in GMRES mult