Prefix HTTP API v1.0 members
Ensure that Servent still runs on all IPs with Qt 5.0
Add API 2.0 / Control API skeleton
Update Qxt
Generate QxtSslServer fancy header
Add AudioEngine remote contolling
Custom error messages.
DRY on playback api commands
Add authentication scaffold
Use SSL/TLS for API 2.0

* Permanent storage for the x509 certificate is still missing