* Planned Order release and due date become required.
* Add button to Product MRP Area to update MOQ from Supplier Info.
* Link Manufacturing Orders with Planned Orders.
* Allow Mrp Inventory Procure Wizard to be used from other models.
* Make MRP Inventory creation more extensible.
* Main Supplier computation (v13 requires explicit False definitions).
* Planned Orders become fixed on manual creation by default
* Released Quantity become readonly
* Add product reference if Planned Order name is not defined on bom explosion
* You can know integrate with different forecasting mechanisms.
As a consequence integration with stock_demand_estimate is moved
to a new module (mrp_multi_level_estimate).
* As agreed by the authors, the module is re-licensed to LGPL-3.
