[syslog-ng]new Fedora/Redhat init script

[Jeremy Mates]

* Richard E. Perlotto II <rperlott@cisco.com>
> This means a lot of manual modification to clean out BOTH files so
> that they are not stepping on each other. Kind of defeats the purpose
> of having a package install.

My custom syslog-ng RPM provides a generic client configuration for the
site (local logs + relay to central loghost); other needs (proxy and
loghost configuration, disabling logrotate for the stock syslog package)
are implemented via CFEngine.