Up until now HTTPS was only offered by redirect, making MitM possible
before server redirect hit the client.
Add scheme-force to HTTPS to the url-generation.
fixes#963
Harmonization (following pr1444) between:
- docs/compose/docker-compose.yml
- setup/flavors/stack/docker-compose.yml
- setup/flavors/compose/docker-compose.yml
Also refresh of the mkdir command found in setup/flavors/stack/setup.html