Wake On Lan for linux

wol fun:

added firewall rules - standard UDP port to send on is udp/9
- added DNAT target, static ARP entry and forwarding rule
- static arp required because routing engine will drop packets routed to broadcast addrs.

• http://forum.soft32.com/linux2/NAT-broadcast-addess-iptables-ftopict39725.html
• http://www.dslreports.com/faq/9389

turned on bios power management flags for wake on ring and wake on PME#