Add location and newsletter attribute to User. Improve registration form

app/config/version.yml

.../UserBundle/Controller/RegistrationFOSUser1Controller.php

...tion/Sonata/UserBundle/Form/Type/RegistrationFormType.php

...erBundle/Resources/translations/SonataUserBundle.fr.xliff

...serBundle/Resources/views/Registration/register.html.twig

...cation/Sonata/UserBundle/Resources/views/layout.html.twig

src/Biopen/CoreBundle/Document/User.php

src/Biopen/CoreBundle/Resources/scss/pages/_register.scss

...rectoryBundle/Resources/js/element-form/initialisation.js