Structure of ARSF database

For furture maintenance.

Indented sublevels mean the child has an "id" field matching the "value" field of the parent. 
If items are on the same level without a separating space, it means they share the same id. 
The flight_* items appear in separate groups, hence the abbreviation.

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piflight_pi_id
   pi_address
   pi_email
   pi_name
piflight_flight_id
   flight_area
   flight_data_location
   flight_date_received
   flight_jday
   flight_letter
   flight_notes
   flight_primary_ticket
   flight_year
   flight_kmlweblink

progress_change_dataset_id
   dataset_del_check_time
   dataset_flight_id
      flight_*
   dataset_number_of_lines
   dataset_priority
   dataset_priority_offset
   dataset_processing_progress
   dataset_sensor_id
      sensor_name
      sensor_type
   dataset_time_to_complete
progress_change_date
progress_change_notes
progress_change_progress
progress_change_user

projectflight_flight_id
   flight_*
projectflight_project_id
   project_code
   project_eufar_code
   project_objective
   project_priority
   project_summary

secondary_ticket_flight_id
   flight_*
secondary_ticket_number 

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There is a 39th "kml_link" key but this only appears once, so I think it was replaced by flight_kmlweblink but not deleted.