task/us89-ta36 -- Exporter can close off the TPP job_item taken from the
inbound ParcelPoint report files

nparcel/table/jobitem.py
* new method upd_file_based_collected_sql() that provides an SQL
  wrapper to update the collected items from the "jobitems" table
  based on connote and item number

nparcel/exporter.py
* new method file_based_updates() that acts as a wrapper to close of
  file-based records
* updated the process() method to include a call to file_based_updates()