OpenMDAO / dymos / 7037307456

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Fixed an issue where applying DirectSolver to StateIndependentsComp was breaking when used with other linear solvers under MPI. (#1020)

* Removed DirectSolver from StateIndependentsComp in the pseudospectral transcriptions. Phase now has default_linear_solver and default_nonlinear_solver options like trajectory.

* Don't constraint type of solver applied to Trajectory so users can use other solvers potentially unknown to us

* When Trajectory.phases is a ParallelGroup, always add a NonlinearBlockJac if there are direct connections.

* Removed default_(non)linear_solver options.
Added auto_solvers options to Trajectory and Phases, allowing users to disable the behavior if desired.
Added parallel_phases option to Trajectory, which toggles whether the top level phase container is a parallel group.

* Made consistent configure_solvers behavior in Birkhoff and ExplicitShooting

111 of 125 new or added lines in 12 files covered. (88.8%)

34629 of 37541 relevant lines covered (92.24%)

4.3 hits per line