Save node.log contents to system log file even if disconnected during logon

This should address x-bit's inquiry on DOVE-Net:
 > I've noticed that Sync Control Panel > bbs > view todays log is not showing
 > rlogin users that I have going directly to the game. My guess is due to the
 > fact i have them bypassing so much of the login process.
 >
 > Anything i can do to show them in the daily logon stats/logs?

However, it's probably also going to add some noise to those logs, e.g.
"Unsuccessful logon" log lines. I don't have an easy answer for that.