Add username password form (#5)

* Move Authenticator

* Move sharable func to utils

* Adding base username password with QR form

* Prevent QR from displaying when originated from QR scan

* Remove duplicate provider config property on reload

* Style for ftl templates

* Adding originating device locale and ftl layout

* Update README usernamePasswordForm and JWT

* Update README

* Rename package pom

* Bump version number