Allow ALSA and pulseaudio sound (#410). Fix tab crashes (#376, #360). (#429)
Allow ALSA and pulseaudio sound (#410). Fix tab crashes (#376, #360). (#429)

Sets browser.tabs.remote.autostart = false to avoid tab crashes. #376, #360
Adds apulse to provide fake pulseaudio to allow ALSA sound again. #410
Adds libpulse0 to allow pulseaudio sound. #issuecomment-422969073
ENTRYPOINT wrapper script to run with or without apulse wrapper, depending on given or missing /dev/dri
jfrazelle/dockerfiles,ricardorsierra/dockerfiles,ricardorsierra/dockerfiles,michael-k/dockerfiles-jfrazelle,jfrazelle/dockerfiles,koep/dockerfiles,johnsandiford/dockerfiles,ricardorsierra/dockerfiles,jessfraz/dockerfiles,johnsandiford/dockerfiles,ricardorsierra/dockerfiles,johnsandiford/dockerfiles,michael-k/dockerfiles-jfrazelle,koep/dockerfiles,jessfraz/dockerfiles,jessfraz/dockerfiles,jessfraz/dockerfiles,jessfraz/dockerfiles,michael-k/dockerfiles-jfrazelle,michael-k/dockerfiles-jfrazelle,johnsandiford/dockerfiles,koep/dockerfiles,johnsandiford/dockerfiles,michael-k/dockerfiles-jfrazelle,koep/dockerfiles,koep/dockerfiles,ricardorsierra/dockerfiles