Mark nodes as live when announce_peers is successful.
Mark nodes as live when announce_peers is successful.

tempbottle/dht-1,Erkan-Yilmaz/dht,loadletter/dht256,gabrielfalcao/dht,Librevault/dht,raspopov/dht,mikedld/dht,jech/dht,cfpp2p/dht