[Azoth] Mediacall-less build fixed.
[Azoth] Added IHaveContactTune.
[Azoth Xoox] UserTune::ToAudioInfo().
[Azoth Astrality] Fixed a typo.
[Azoth Vader] Implement IHaveContactTune.
[Azoth] Removed tuneChanged() signal from IAdvancedCLEntry.