Replace custom python connector with ncat (#42)

* Replace custom made daemon with nmap-ncat

* Use stderr to log ncat output

* Refresh the branch

connector/simulator/start.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+PTY=0
+
+# if container is run with -ti pts/0 is already taken
+if [ -c /dev/pts/0 ]; then
+    PTY=1
+fi
+
+qemu-system-avr -machine uno -bios /io/CommandStation-EX*.elf -serial pty -daemonize
+ncat -n -k -l 2560 -o /dev/stderr </dev/pts/${PTY} >/dev/pts/${PTY}