Registers a new user with a Deis controller.
Usage: deis auth:register <controller> [options]
Arguments:
<controller>
fully-qualified controller URI, e.g. 'http://deis.local3.deisapp.com/'
Options:
--username=<username>
provide a username for the new account.
--password=<password>
provide a password for the new account.
--email=<email>
provide an email address.
--login=true
logs into the new account after registering.
--ssl-verify=true
enables/disables SSL certificate verification for API requests