Add page for reset auth type [NOT WORKING]

See https://github.com/marienfressinaud/FreshRSS/issues/521
Improve reset auth system

- Add bcrypt.js in resetAuthAction()
- Rename init_loginForm() in init_crypto_form()
- Load init_crypto_form() everytime (if no #crypto-form, do nothing)
Use openNotification instead of alert (main.js)
Improve resetAuth redirections

See https://github.com/marienfressinaud/FreshRSS/issues/521
Reset auth system: i18n and style

See https://github.com/marienfressinaud/FreshRSS/issues/521
Add a link on Persona page to reset auth system

See https://github.com/marienfressinaud/FreshRSS/issues/521
Merge branch 'dev' of github.com:marienfressinaud/FreshRSS into dev