HNIdev | #3559 | Authorizing unregistered DS to send in data (open DS group) - (backend part)
HniDevs | #3559 | Handling the case when deleting is_open_ds and it doesn't exist
Heri | #3897 | part of feedbacks on ODS group
Merge branch 'open_datasender' into develop

Conflicts:
	mangrove/transport/services/survey_response_service.py
Ajay/DC | #0000 | Fixing open ds after merge to develop