Add erciccione's seed node

src/p2p/net_node.inl

@@ -630,6 +630,7 @@ namespace nodetool
       full_addrs.insert("192.110.160.146:18080");
       full_addrs.insert("88.198.163.90:18080");
       full_addrs.insert("95.217.25.101:18080");
+      full_addrs.insert("209.250.243.248:18080");
     }
     return full_addrs;
   }