- Adding the French translation manually until we fix l10n to support
nested, see XINFRA-203

- Adding the object to blacklist the Tour app

- Deprecating the key used for the gadget’s title and page’s title

- Removing the Welcome gadget + fixing the other gadgets order

- Removing the Main.Welcome page and its translations pages
- Removing Main.WelcomeSheet that allowed rapid editing of the Welcome
gadget

- Typo, missing the class selector

XWIKI-12935 : Misalignment of Page rights's captcha checkbox

* Also add MathTool

* Fix TPC, no test ATM (not much to test, would need an integration test though, need to figure out where I could add it)

XWIKI-12314 : Improper redirect when you cancel the request for adding a new user

* Form.disable(window.lb.form) was performing an unusual action by redirecting to another page displaying the same form, while its own purpose was to close the pop-up window just like the "x" button is doing

* Use job.css instead of extension.css