Tweaks for CarPi setup/install

CarPi/lib/systemd/system/rc-local.service

@@ -0,0 +1,21 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=/etc/rc.local Compatibility
+ConditionPathExists=/etc/rc.local
+
+[Service]
+Type=forking
+ExecStart=/etc/rc.local start
+TimeoutSec=0
+StandardOutput=tty
+RemainAfterExit=yes
+SysVStartPriority=99
+
+[Install]
+WantedBy=multi-user.target