To make this work the core needs a ssl certificate in pem format using
an rsa key. This certificate needs to reside in ~/.quassel/quasselCert.pem
If you don't have a certificate, you can create one using openssl:
openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout ~/.quassel/quasselCert.pem -out ~/.quassel/quasselCert.pem