Weitersager

-----------------

----------------

- Introduced alternative endpoints using secret "channel tokens" as part
of the URL.

------------------

- Fixed Werkzeug dependency missing in ``setup.cfg``.

----------------

- Recreated HTTP server as a WSGI application, built with Werkzeug and
served by wsgiref.

- Return status code 415 ("Unsupported Media Type") if request content
type is not ``application/json``.

------------------

- Return status code 404 ("Not Found") on requests to any path other
than ``/``.

- Added Docker-specific configuration file example.

- Added configuration file for Docker Compose.

------------------

- Changed application path in Docker container from ``/home/user`` to
``/app``. This is relevant when mounting the configuration file into the
container.