ADD check_entity_existence_by_list.py utility script
ADD check_entity_existence_by_list.py utility script

telefonicaid/fiware-orion,telefonicaid/fiware-orion,Fiware/data.Orion,telefonicaid/fiware-orion,Fiware/data.Orion,Fiware/data.Orion,Fiware/data.Orion,Fiware/data.Orion,Fiware/data.Orion,telefonicaid/fiware-orion,telefonicaid/fiware-orion,telefonicaid/fiware-orion