demand moves have the same date it can happen that the supply is
effectively ignored if considered as staring move of the
grouping and there are more groups to be done after it.
A test case include in this fix depicts in detail the
the problem and ensures no regression.
* fix api.depends fields fro main supplier.
* fix ordering and missing demo file in manifest.
* Update README.
* fix action_view* methods.
* readd hook to exclude in mrp initialization
* fix computation of qty available (it was considering several times sub-locations).
* Remove contraint for outoing and incoming moves to be moved in/outside the company, they can be internal transfers.
* mrp.moves visible with technical settings.
* Show product and allow to search by it in mrp.inventory.
