Feature Set Registration

•  As a user I want to register at yunity to become a member (U.1: trello card)

- by entering an unique EMail-adress and password and the obligatory user profile information
- user is already logged in after entering eMail-address and password as a not confirmed member
- an email is send to the user to confirm the email address
- After signing you are signed in as a unconfirmed user