uronode/systemd

To get URONode to answer IP socket requests via SystemD do the following:

- copy the SystemD files into /lib/systemd/system
- run: systemctl enable uronode
- run: systemctl enable ax25
- run: chkconfig uronode on
- run: chkconfig ax25 on
- run: systemctl daemon-reload
- in /etc/xinetd.d/uronode (or node) set disable to yes
  (or comment out your line in /etc/inetd.conf)
- run: systemctl restart xinetd
- reboot