export_to_xml() really should be definition_to_xml() since we'll rely on the base method that is in xml_module.py to preserve the correct export filesystem hierarchy.
export_to_xml() really should be definition_to_xml() since we'll rely on the base method that is in xml_module.py to preserve the correct export filesystem hierarchy.

bmedx/modulestore,bmedx/modulestore,bmedx/modulestore