fixed an mpi test
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into mpi
fixed petsc import stuff and sol_vec/rhs_vec to work under mpi
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into mpi
mpi tests now work much better
merged out
updating to collective assert calls in a few places
Merge pull request #1867 from naylor-b/mpi

fixed mpi testing stuff and some issues with petsc4py vector type mismatches.