* If the email middleware does not send mails, it will give a warning
similar to sentry middleware
* Eliminated GrapphQLClient in one more test
* Rename code => nonce
This commit takes all backend changes for signup and invite feature. I
was working on these features and removed the generated mutations for
type user along the way.
Credit: https://github.com/wildbit/postmark-templates/
Also we distinguish now if a user has been found and if not. The
password reset link brings us directly to the last step in the flow.
.. but enable it by default for `docker-compose.override.yml`. If the developer
uses `docker-compose` we can safely assume that a local smtp server for
development is running.
