* Initial commit for VoIP v1 implementation

* Added draft of event handlers for voip methods

* Added event handlers for VoIP events, added rejectCall, added version tracking for call version for V0 and V1 compatibility

* Added call events to the general message pipeline. Modified Call Reject mechanism

* Added message delegates for new events. Modified hidden events. Updated handle events.

* Updated implementation to keep track of calls on other devices

* Fixed linting

* Fixed code warnings

* Fixed minor bugs

* fixed ci

* Added acceptNegotiation method definition when missing gstreamer

* Fixed warnings

* Fixed linting

see #1042
see #483

fixes #439
Workaround for https://bugreports.qt.io/browse/QTBUG-97401
fixes #810

Fixes an issue where most uses just had their color determined by their
username length and distributes the colors a bit more evenly.

Either by accepting an invite or manually using /converttodm and revert
with /converttoroom.

fixes #630