Feature 111 521 WebRTC in web assistant
Closes #111
Closes #521
Replaces https://gitlab.com/xivoxc/xucmgt/merge_requests/6 (code review comments are there)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Closes #111
Closes #521
Replaces https://gitlab.com/xivoxc/xucmgt/merge_requests/6 (code review comments are there)