Update our LAST_UPDATED column every minute while we're alive so that if we

lose connection with a peer for any reason, it will notice that we're still
alive and reconnect.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4732 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -579,6 +579,9 @@ public class PeerManager
         _invoker.postUnit(new Invoker.Unit() {
             public boolean invoke () {
                 try {
+                    // let the world know that we're alive
+                    _noderepo.heartbeatNode(_nodeName);
+                    // then load up all the peer records
                     _nodes = _noderepo.loadNodes();
                     return true;
                 } catch (PersistenceException pe) {