[FIX] compatibility with pos_restaurant https://github.com/OCA/pos/pull/339 cortesy @carlosDomatix
[FIX] add _compute_refund_order_qty
[ADD] pos order view form. Add links to original returned order and refund orders.
[IMP] when refunding an order via the 'Refund' button in back office, set the correct returned_order_id.
[IMP] Add helper on each button
[ADD] python test
[REF] JS remove useless code
[REF] Python remove useless code
[FIX] remove bad oldname
[FIX] remove gap in bill display, when it is a refund
[FIX] when reprinting a bill, the returned order name is displayed, if any
[FIX] JS lint, with OCA eslint file
[ADD] french translation
oca-travis
Sylvain LE GAL
David Vidal