2005-09-04 jrandom

* Don't persist peer profiles until we are shutting down, as the
      persistence process gobbles RAM and wall time.
    * Bugfix to allow you to check/uncheck the sharedClient setting on the
      I2PTunnel web interface.
    * Be more careful when expiring a failed tunnel message fragment so we
      don't drop the data while attempting to read it.

router/java/src/net/i2p/router/tunnel/FragmentHandler.java

@@ -353,6 +353,8 @@ public class FragmentHandler {
         _completed++;
         try {
             byte data[] = msg.toByteArray();
+            if (msg == null)
+                return;
             if (_log.shouldLog(Log.DEBUG))
                 _log.debug("RECV(" + data.length + "): " + Base64.encode(data)  
                            + " " + _context.sha().calculateHash(data).toBase64());