add more controls depending on bid_validity:
- a cancel reason on bid validity
- tracking changes of bid validity
remove consignee_id, moved in vertical-ngo/logistic_consignee
remove consignee_id, moved in vertical-ngo/logistic_consignee
Merge pull request #41 from yvaucher/8.0-purchase_rfq_bid_workflow-add-cancel_reason-bid_validity

add more controls depending on bid_validity:
Merge pull request #45 from yvaucher/8.0-clean-consignee_id

8.0 clean consignee
new module purchase_delivery_address

The new delivery address in the purchase order is propagated to
the picking.
mto dropshipping: propagate address so->po