instead of text editor preference

generateMovementListForStockOptimisation was raising error when there was inventories.
The method was assuming that doing getObject() on an inventory line (from
getFutureInventoryList) was always returning a movement. But sometimes we get
the inventory itself. So do not use getVariationCategoryList, but use the variation_text
stored in the stock table.

- Allow superuser to get RSS ;
- Remove useless portal_skin=RSS paremeter.

Allow user to select which columns to display on module.
A new panel has been added for the UI.
The selectable column list is calculated from the columns and all_columns parameters.
Configuration is for now stored in the URL (as sort).

[erp5_pdm, erp5_trade] Fix bad field library field id. Rename ledger field library proxy field from my_ledger to my_view_mode_ledger.

[ERP5/tests/testERP5Commerce.py] quantity_unit/unit/piece category is used but it does not exist in this test. Add quantity_unit/unit/piece in afterSetUp.

To use non-existing category may lead an unexpected result. This time, getAcquiredCategoryList did not work correctly, then category values of products were not correctly indexed and test_17_getProductListFromWebSection failed.

Revert "[ERP5/tests/testERP5Commerce.py] Add erp5_configurator_standard_categories business template to provide quantity_unit/unit/piece."

This reverts commit 93c6b048.

erp5_configurator_standard_categories depends on too many business templates. I gave up using it.

[ERP5/tests/testERP5Commerce.py] Add erp5_configurator_standard_categories business template to provide quantity_unit/unit/piece.

To use non-existing category may lead an unexpected result. This time, getAcquiredCategoryList did not work correctly, then category values of products were not correctly indexed and test_17_getProductListFromWebSection failed.

/reviewed-on nexedi/erp5!538

This reverts commit 6687e7e0.

Test for bugfix /#/bug_module/20171208-5E8D43

/reviewed-on nexedi/erp5!529

[erp5_base] Add following movement groups to Order Builder. Order Builder should be able to use the same movement groups as Delivery Builder.

First Causality Movement Group
Invoice Movement Group
Previous Causality Movement Group
Property Grouping Movement Group

[erp5_base] Fix Delivery_getLedgerItemList to make it work with non-Delivery Type portal type documents.

Internal Order
Internal Packing List
Internal Trade Condition
Purchase Invoice
Purchase Order
Purchase Packing List
Purchase Trade Condition
Returned Purchase Order
Returned Purchase Packing List
Returned Sale Order
Returned Sale Packing List
Sale Invoice
Sale Order
Sale Packing List
Sale Trade Condition

[erp5_pdm] Fix proxy fields of order_quantity_unit and time_quantity_unit. Since they are derivations from quantity_unit, "quantity_unit" is needed in the path in the path.