message: Add some cleanup in CSV import
diff: @@ -211,6 +211,10 @@ insert into project_registry (
  registry_documents
  from csv_project;
  +-- cleanup
  +update project_registry set methodology_protocol = null where methodology_protocol = 'NULL';
  +update project_registry set methodology_protocol = null where trim(methodology_protocol) = '';
  +
  -- now populate the actual DB data
  insert into project_rating (
  