fixed vartree framework variables to sort, expand, and contract in GUI correctly.
Removed commented line from component.get_attributes related to vartrees.
Merge branch 'dev' of https://github.com/OpenMDAO/OpenMDAO-Framework into dev
Fixed test_console_errors and test_properties.
Modified column_sorting to test for vartree framework variable.
Merge pull request #1635 from crobinsonut/dev

Fixed vartree framework variables