Added ConMgrStats.closes. Added code to dump conmgr stats to the log every 30

seconds so that we can see more about what's going on if we manage to recreate
our freakoutery.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5532 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/data/ConMgrStats.java

@@ -49,6 +49,9 @@ public class ConMgrStats extends SimpleStreamableObject
     /** The number of disconnection events since the server started up. */
     public int disconnects;
 
+    /** The number of socket closes since the server started up. */
+    public int closes;
+
     /** The number of bytes read since the server started up. */
     public long bytesIn;