[FIX] Produce line should be connected to its procurement

[FIX] Better to work through the production_id of the procurement
[FIX] Byproducts should not start in waiting state
Merge pull request #3148 from odoo-dev/8.0-wmsmrporderpoint-jco

8.0 wmsmrporderpoint jco
Merge branch '8.0' of https://github.com/odoo/odoo into 8.0-linux64