Merge pull request #1287 from thearn/guidev

Guidev
PBS, ExternalCode, RAM, and testing fixes for external users.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug
Merge pull request #1288 from setowns1/bug

PBS, ExternalCode, RAM, and testing fixes for external users.
bug fix to passthrough editor
Merge branch 'dev' of http://github.com/OpenMDAO/OpenMDAO-Framework.git into guidev
intermediate changes to passthrough editor for multi-level variable trees