Fix typo in configuration
Translated routing
Translated SEO-Friendly Routing
Fixed typo
Translated Routing File Extensions
Added more translation
Translated Custom Route Classes for Resource Routes
Fixed title underline
Fixed typo
Fix fatal error when adding new bookmarks.
Update formhelper docs.

Remove documentation for options that no longer exist, and document
those that do.

Refs cakephp/cakephp#5003
[fr] follow #1922
Fixed all typo
Fixed title underline
Merge pull request #1915 from Xety/fr-typo

FR - WIP Translated Routing & fix typo.
Fix radio button options descriptions
Merge pull request #1927 from cakephp/form-fixes

Update formhelper docs
Update Navbar for 3.x docs.

Add podcast link and remove link stew.