Cleanup /tmp/server-*.xkm for GUI tests on Linux.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug2
Merge pull request #1528 from setowns1/bug2

Cleanup /tmp/server-*.xkm for GUI tests on Linux
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into state
union of solver inputs and outputs with passed inputs and outputs if group_nondif=False
Merge branch 'state' of github.com:naylor-b/OpenMDAO-Framework into state
working