the display of this form was broken

This is needed to take into account the node when looking at the history
of movements

So all newSimulation expected failures are removed. Make
generateMovementListForStockOptimisation looking min_flow and max_delay
on supply lines.

Introduce a getNextAlertInventoryDate in addition to
getNextNegativeInventoryDate. This allows to know when an inventory
will be below a reference quantity. This is particularly helpful
to know when an inventory is below the minimal admitted stock

So it's no longer a newSimulation expected failure. Review method
generateMovementListForStockOptimisation of builders to nicely
generated temporary movements depending on future negative stocks.

Like this we stop using Resource_zGetInventory which is less
and less used. Indeed, it's better to only have Resource_zGetInventoryList
and sometimes returns a list of a single line.

Now production steps are defined in business process which
are using trade_phase. indistrial_phase was used at the time
of supply chains

MRP was broken and unused for a long time, since legacy simulation was dropped.
This commits resuscitates MRP, at least:
- expanding, for both operation and sourcing
- building of production reports & production packing lists

Business Processes replaces Supply Chains.
trade_phase replaces industrial_phase
industrial_phase is now used to variate partially produced resources.

Do not validate until user select one document

getMovementList will already return appropriate movements, this is
redundancy and it prevent using DeliveryRootSimulationRule for some
Orders on some projects

python 2.7.9 validates certificates by default.

1: Resize gadget if it's declared in  iframe
2: Add getContent test