Added missing translations for nl locale.
set autofocus only once for many authentication_keys fields in session/new view
set autofocus only once for many authentication_keys fields in registrations/new view
add a root redirect for test app
Merge pull request #3268 from timoschilling/dev_server_redirect

add a root redirect and rm index.html for test app
Merge pull request #3267 from timoschilling/autofocus

don't double set autofocus
Merge pull request #3264 from mmsommer/adding_missing_nl_translations

Added missing translations for nl locale.