new experimental object differentiation
some tweaks
one last thing
fixing last test
working
working
updated docs
Merge pull request #3 from JustinSGray/deriv_tutorial

updated docs
working
Merge branch 'hifi' of github.com:Kenneth-T-Moore/OpenMDAO-Framework into hifi
Bug may be fixed
more tests
Proper pre/post processing for applyMinv
preconditioning needs work
Merge branch 'hifi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into newinvalidation
merged out from ken and fixed a few tests