Make the flow follow the scenarios.

- Trigger one :connect frame when disconnected.
- Prompt for password in login frame upon first login.
-- Execute frame :play welcome after first password change
- Run a status check to server upon login.
-- Removes the blue banner straight away
   instead of waiting until next planned check.
- Make more sense of frame names and cleaup.
- Move is_authenticated flag to AuthData.
- Reveal default login values on login frame.