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/neko.ini

@@ -1,8 +1,8 @@
 
 [program:neko]
+priority=30
 autostart=false
 autorestart=true
-priority=30
 user=%(ENV_USER)s
 # /usr/bin/neko serve --static "/var/www" --display ${DISPLAY} --bind :${PORT_NOVNC_WEB}
 # /usr/bin/neko serve --static "/var/www" --display ${DISPLAY} --bind :${PORT_NOVNC_WEB} --nat1to1 $(ip route get 1 | awk '{print $(NF-2);exit}') --screen 1280x720@30 --hwenc VAAPI --h264