Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into vtree_successors
small fix to graphplot
added funct for getting missing derivs
Merge branch 'missing_deriv_funct' of https://github.com/naylor-b/OpenMDAO-Framework into vtree_successors
minor update to include expanded vartrees for components too
really make it work for vartrees
depgraph missing stuff fixes
Merge branch 'vtree_successors' of github.com:naylor-b/OpenMDAO-Framework into vtree_successors
Merge branch 'vtree_successors' of https://github.com/JustinSGray/OpenMDAO-Framework into vtree_successors
Merge pull request #1640 from Kenneth-T-Moore/bench

Cleanup
updated output of dump_iteration_tree to include pseudocomps and their corresponding expressions, including unit conversions, by default
Merge branch 'vtree_successors' of github.com:naylor-b/OpenMDAO-Framework into pcomp_iter
fixed a couple of tests
test fixes
Merge pull request #1641 from naylor-b/pcomp_iter

some updates to dump_iteration_tree
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into bench