Added 320 fresh seednodes to replace the old ones.
Added 320 fresh seednodes to replace the old ones.

Thanks to MagicalTux for providing the data for node uptime
Thanks to sgornick for scapy script to test node connectivity

Closes https://github.com/bitcoin/bitcoin/issues#issue/22

wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin,wastholm/bitcoin