* Add an email field to the profile page
I reuse the `mail_login` from the configuration. I'm not sure if it's
useful today (I would say it was used when Persona login was available).
A good improvement would be to rename `mail_login` into `email` so it
would be more intuitive to use.
* Add boolean to the conf to force email validation
This commit only adds a configuration item.
* Add email during registration if email must be validated
* Set email token to validate when email changes
* Block access to FreshRSS if email is not validated
* Send email when address is changed
* Allow to resend the validation email
* Allow the user to change its email while blocked
* Document the email validation feature
* fixup! Allow the user to change its email while blocked
* tec: Autoload PHPMailer lib
* Validate email address format
* Add feedback on validation email resend action
* Allow to logout when user is blocked
* fix: Change default email "from"
* Reorganize i18n keys
* Complete all the locales with default english
* Hide sidebar (profile page) if email is not validated
* Check email requirements on registration
* Allow admin to specify email when creating users
* Don't check email format if value is empty
* Remove trailing comma in userController
Co-Authored-By: Alexandre Alapetite <alexandre@alapetite.fr>
* Set PHPMailer validator to html5 before sending email
* fixup! Remove trailing comma in userController
