add filtering support of infeasible(None) objective value
add constraint filtering support of paretofilter and add constrained example of single_objective ei with constraint
minor error modifications
Merge remote-tracking branch 'origin/dev' into dev
Merge remote-tracking branch 'origin/dev' into dev
cleanup debug
Merge pull request #1728 from Kenneth-T-Moore/paper

cleanup debug
Add Container.set_metadata()
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1729 from setowns1/bug

adding set_metadata method to Container
Testing CADRE derivative graph without pruning
Testing CADRE derivative graph without pruning
Merge branch 'paper' of github.com:Kenneth-T-Moore/OpenMDAO-Framework into paper
Make iotype read-only in set_metadata()
Merge pull request #1730 from setowns1/bug

Make iotype read-only in set_metadata()
Fix CaseIteratorDriverBase bug with named parameters.
Merge pull request #1731 from setowns1/bug

Fix CaseIteratorDriverBase bug with named parameters.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into paper
Small fix for cadre experiment
Merge pull request #1732 from Kenneth-T-Moore/paper2

Small fix for Assembly derivatives