frontend: reorder form fields (language first)
frontend: reorder form fields (language first)

* Reorders sign-up form fields so that you first selecte a language and
  then type in your personal data.

Signed-off-by: Marco Neumann <3829486b93ec44395f0b980424bae9b6fb07b7bc@crepererum.net>

spz-signup/spz-signup