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Merge branch 'newinvalidation' of github.com:naylor-b/OpenMDAO-Framework into newinvalidation
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added some graph utility functs
fixing tests
5 failures
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merged out from ken
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fixing tests
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fixed some tests
only gui test failures
Merge branch 'hifi' of https://github.com/Kenneth-T-Moore/OpenMDAO-Framework into newinvalidation
merged out from ken and fixed a few tests
fixed metamodel test failure in gui
oops