Improvements to pulseaudio

- Add a DEBUGGING flag
- Make the location of the unix socket configurable

While I was here I moved all the priority configs in supervisord to the top. I like it better there

overlay/etc/supervisor.d/dbus.ini

@@ -1,9 +1,10 @@
 
 [program:dbus]
-autostart=true
 priority=10
-user=%(ENV_USER)s
+autostart=true
+autorestart=true
 directory=/
+user=%(ENV_USER)s
 command=dbus-daemon --config-file=/usr/share/dbus-1/system.conf --nofork --nopidfile
 environment=HOME="/home/%(ENV_USER)s",USER="%(ENV_USER)s"
 autorestart=true