Refreshing the peers seems to often take just over 500ms, so increase the time we wait before logging.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4833 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/peer/server/PeerManager.java

@@ -742,6 +742,9 @@ public class PeerManager
                     }
                 }
             }
+            public long getLongThreshold () {
+                return 700L;
+            }
             protected List<NodeRecord> _nodes;
         });
     }