Password reset request form view
- Form to request a password reset and get the confirmation a mail has been sent.
- Imported white-check.svg from https://commons.wikimedia.org/wiki/File:White_check.svg (author: sarang).https://commons.wikimedia.org/wiki/File:White_check.svg
- New class .center for login CSS to align text.
- L10n: pagination won't have words for « and »
