Added support for globals to GafferSceneTest::CompoundObjectSource.
Added support for globals to GafferSceneTest::CompoundObjectSource.

goddardl/gaffer,johnhaddon/gaffer,GafferHQ/gaffer,boberfly/gaffer,andrewkaufman/gaffer,hradec/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,andrewkaufman/gaffer,appleseedhq/gaffer,hradec/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,hradec/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,hradec/gaffer,goddardl/gaffer,chippey/gaffer,goddardl/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,chippey/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,goddardl/gaffer,boberfly/gaffer,chippey/gaffer,boberfly/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,hradec/gaffer,ivanimanishi/gaffer,boberfly/gaffer,johnhaddon/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,chippey/gaffer