Then the user can select the prefered language in the ERP5JS UI

erp5_osoe_web_renderjs_ui: erp5_osoe_web_renderjs_ui: Add osoe web site to use osoe_access as the frontpage

This front page gadget allows user to:
* create any kind of document
* launch any kind of report
* contribute a new documents

This gadget can be used to replicate the xhtml access page.

user-Howto.Create.Trade.Conditions.008.en

erp5_user_tutorial: Setup and launch configurator before run test.erp5.testFunctionalStandaloneUserTutorial.py

erp5_web_renderjs_ui_test_core
erp5_configurator_standard

The previous implementation will generate URL like:
erp5/test_page_module/core/TestRunner.html?
Which missed the test created in portal_tests, the correct one should be:
erp5/test_page_module/portal_tests/user-Howto.Create.Persons/core/TestRunner.html?
This code was inspired by https://lab.nexedi.com/nexedi/erp5/blob/master/product/ERP5Type/tests/ERP5TypeFunctionalTestCase.py#L86