Use "device_info_serial","date_time","class_id" as csv header.
Use "device_info_serial","date_time","class_id" as csv header.

See #391.

NLeSC/eEcology-Annotation-WS,NLeSC/eEcology-Annotation-WS,NLeSC/eEcology-Annotation-WS,NLeSC/eEcology-Annotation-WS