HTTPS with SSH/TLS

[preip]

After all the fun with the login and everything, we should implemente the option to establish HTTPS connections to the server, so the whole person/company data is not transmitted in plain text to the clients (and the login data too).
It doesn't look to hard, here are a few links:
http://nodejs.org/api/https.html
http://expressjs.com/api.html (search for https)
http://stackoverflow.com/questions/11744975/enabling-https-on-express-js