Log all error events by default

[leonsodhi]

This is particularly useful when remote_syslog is run as a daemon. You could do /etc/init.d/remote_syslog start, and then immediately check for errors using something like: tail /var/log/remote_syslog.log. These errors should also be transmitted to the remote syslog server.

It wouldn't catch everything, but it's better than nothing. One particular issue is where a glob has been used, and the user that remote_syslog runs as has no access to any of the files in that directory.