send mail to supplier when order finishes
move finish order to ajax dialog
add csv to supplier mail
add pickup day to orders
include delivery day in supplier email
much clearer interface when closing+sending an order
add Dutch translations
do not require delivery contact for mailsupplier
improve mailsupplier form
use slightly clearer mailsupplier configuration approach
Merge branch 'feature-mailsupplier-adam' into foodcoop-adam