We need to be able to see the future without auto planned orders, else how are we going to update them?

erp5_mrp: Copy price_currency to Manufacturing Execution and Production Packing List (PSA specific?).

In PSA for ME: Problem Report is created from a ME which then build a Returned
IPL from scratch copying properties from the ME. After this Returned IPL is
root-expanded, Real Time Inventory Accounting Rule is expanded too and requires
price_currency.

As a matter of fact immediateReindexObject doesn't call reindexObject on the object

buidler: Add tmp fix/workaround on movement order

builder: Use periodicity to determinate start date

builder mixin: Take into account supply date range before create movement

builder: Hackish immediate reindex of order to work for parallel build

builder: use dedicated script to evaluate min stock

builder: autoPlan only if possible

builder: Reference of order line is reference of resource line

builder: include order delay and effective date

builder: fixup add missing part for effective date

builder: Tweak and fix supply builder

builder: Fixup supply builder

builder: immediate reindex delivery on creation

builder: use _edit on delivery to only reindex modification

builder: Supply builder work with period

builder: Supply builder improved

builder: use flow unit for min stock calculation

builder:  Supply Builder Fix future inventory for parts not activated yet

builder: Supply builder do not create movement for resources that won't be consumed in the future

SimulationTool: getNextAlertInventoryDate can look for the lowest invetory inferior to the reference quantity

On Zope2 this method does not exist and this caused a test failure

======================================================================
FAIL: test_method_protection (testSecurity.TestSecurity)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "parts/erp5/Products/ERP5/tests/testSecurity.py", line 110, in test_method_protection
    self.fail(message)
AssertionError:
The following 1 methods have a docstring but have no security assertions.
	parts/erp5/product/ERP5Type/patches/BTreeFolder2.py:111 manage_delAllObjects

See merge request nexedi/erp5!1786

To write a pid file so that logrotate can send us signals. This is
still needed for neo storage for now.

See nexedi/slapos!1395