Array variable support for 'required'.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1555 from setowns1/bug

Array variable support for 'required'
Support connected array elements with other elements used as parameters.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1556 from setowns1/bug

Support connected array elements with other elements used as parameters
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into subdrivers