remove honcho in the dev environment (just use foregrounded supervisor)

using supervisor gives us the ability to restart entire processes on
code change (like the dispatcher and callback receiver)

tools/docker-compose/supervisor.conf

@@ -32,6 +32,10 @@ command = make uwsgi
 autostart = true
 autorestart = true
 redirect_stderr=true
+stopwaitsecs = 1
+stopsignal=KILL
+stopasgroup=true
+killasgroup=true
 stdout_logfile=/dev/fd/1
 stdout_logfile_maxbytes=0