Improve phone editing for new custorder

let user choose from existing phones, or add a new one.  not yet
implemented, they can check a box to add new phone to customer proper
in addition to setting it for the order

tailbone/views/custorders/orders.py

@@ -255,6 +255,7 @@ class CustomerOrderView(MasterView):
         context = {'batch': batch,
                    'normalized_batch': self.normalize_batch(batch),
                    'new_order_requires_customer': self.handler.new_order_requires_customer(),
+                   'contact_phones': self.handler.get_contact_phones(batch),
                    'contact_profile_url': None,
                    'contact_notes': self.handler.get_contact_notes(batch),
                    'order_items': items,