Postfix: Split TLSPol companion app into separate container (#6688)

* postfix: split postfix-tlspol service into new container

* postfix-tls-pol: added debug mode

* pf-tlspol: removed obsoleted standalone conf from Dockerfiles

* pf-tlspol: use git instead of wget

data/Dockerfiles/postfix-tlspol/supervisord.conf

@@ -0,0 +1,25 @@
+[supervisord]
+pidfile=/var/run/supervisord.pid
+nodaemon=true
+user=root
+
+[program:syslog-ng]
+command=/usr/sbin/syslog-ng --foreground  --no-caps
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+autostart=true
+
+[program:postfix-tlspol]
+startsecs=10
+autorestart=true
+command=/opt/postfix-tlspol.sh
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
+[eventlistener:processes]
+command=/usr/local/sbin/stop-supervisor.sh
+events=PROCESS_STATE_STOPPED, PROCESS_STATE_EXITED, PROCESS_STATE_FATAL