erp5_trade,erp5_open_trade: Orders and Packing Lists portal types now have Delivery Type as portal type

It allows to re-use as much as possible BaseType_view

This reverts commit 588112ab.

This reverts commit 65033d87.

Revert "erp5_accounting, erp5_payroll: init scripts for accounting types now call a generic Delivery_init first"

This reverts commit ae86546a.

Revert "erp5_project: Task and Task Report call the super "Delivery_init" script at their initialization"

This reverts commit af31f2be.

_computeStockDifferenceList also now returns a correct result

erp5_accounting: be sure to not create a Balance Transaction on the None ledger if no movements have a None ledger

testInventoryAPI: ledger_uid shouldn't be in the properties returned by getMovementHistoryList, since it has been removed from (Resource_zGetMovementHistoryList.sql) (fix for 6c510537)

ERP5TypeInformation: better comment in defined_group_list (fix for 77aa5edc)

erp5_accounting: closing an Accounting Period generates one Balance Transaction per accounting ledger

erp5_research_item: removes the call to the parent_ledger related key in ResearchItemModule_callResearchSummaryReport

erp5_accounting : adds "Ledger" in the more columns of Entity_viewAccountingTransactionList and Account_viewAccountingTransactionList (fix for 994e3555)

Revert "test_account* and test_entities*: updates index of some element since addition of new column "Ledger" in Account_viewAccountingTransactionList and Entity_viewAccountingTransactionList"

As we don't display "ledger" columns in these views, updating theses tests is not needed anymore

This reverts commit ac74b510.

erp5_mysql_innodb: before adding a new index, performances tests should be driven (fix for 6c510537)

erp5_accounting: simpler tales expression in Entity_viewAccountingTransactionList/your_preferred_ledger (fix for 994e3555)

erp5_accounting: simpler tales expression in Account_viewAccountingTransactionList/your_preferred_ledger (fix for 994e3555)

erp5_accounting: replaces "here.portal_preferences" by "preferences" in TALES expressions in Account_viewAccountingTransactionList (fix for 994e3555)

erp5_accounting: replaces "here.portal_preferences" by "preferences" in TALES expressions in Entity_viewAccountingTransactionList

erp5_accounting: adds "ledger" in the extra columns of AccountingTransactionModule_viewAccountingTransactionList

erp5_accounting: removes "ledger" column from the listbox in Entity_viewAccountingTransactionList (fix for 994e3555

erp5_accounting: removes "ledger" column from the listbox in Account_viewAccountingTransactionList (fix for 994e3555)