remove build for armv6 that is no more supported by webrtc

update webrtc

update webrtc

mutex improvement

for #776: allow to disable authentification_domain

add test url

update webrtc

set CMAKE_SYSTEM_PROCESSOR if not set

update webrtc (#819)

detect asound (#818)

update live555helper

update webrtc

Change architectures to platforms in snapcraft.yaml

cleanup

for #813