Added NODE task 'get_data_model_cdes'.
Created by: ThanKarab
Changelog:
- Added NODE task 'get_data_model_cdes'. Jira
- New mipdb version added with the refactored CDEs metadata values.
- New CommonDataElement object added in 'node_task_dtos' module that will replace the 'common_data_elements.py' in the future.