Modifed error message to clarify list_deriv_vars error due to an undefined variable.
Made error messages related to list_deriv_vars more clear.
Merge branch 'mpi' of https://github.com/kenneth-t-moore/OpenMDAO-Framework into mpi
fixed a integer test to be more general
cleanup
fixed geometry derivatives test
Alterning error messages.
Merge remote-tracking branch 'JustinSGray/dev' into mpi
Added error message specific to VarTrees
fixing issue after dev merge
Merge branch 'dev' of https://github.com/JustinSGray/OpenMDAO-Framework into refactor
merged justin's fixes
Merge pull request #1851 from naylor-b/refactor

some fixes for test failures on various platforms
ws
more fixes for dev tests
Merge pull request #1852 from naylor-b/refactor

more fixes for dev test failures
more dev test fixes
Merge pull request #1853 from naylor-b/refactor

more dev test fixes
implement "record_configuration" function
Merge branch 'dev' into work