b_l_certificates => no_change
b_l_containers => no_change
b_l_s =>
    shipment_type => remove (-)
    shipper => shipper_company_id, shipper_text
    consignee => consignee_company_id, consignee_text
    notify_party => notify_party_company_id, notify_party_text
    notify_party2 => notify_party2_company_id, notify_party2_text
    ocean_vessel => ocean_vessel_old	
	voy_no_destination => voy_no_destination_old
    ocean_vessel_id => add	(+)
	ocean_vessel_voy_id => add (+)
    container_tues => remove (-)

