Snark DHT:

- Increase dest lookup and search timeouts
   - Increase max search depth
   - Loop tracker client faster when in magnet mode
   - Loop tracker client faster if DHT announce fails
   - Don't return an empty peers list if we only know about the requestor
   - volatiles, log tweaks
   - Major fixes of getPeers() to follow

apps/i2psnark/java/src/org/klomp/snark/Snark.java

@@ -235,9 +235,9 @@ public class Snark
   private final I2PSnarkUtil _util;
   private final Log _log;
   private final PeerCoordinatorSet _peerCoordinatorSet;
-  private String trackerProblems;
-  private int trackerSeenPeers;
-  private boolean _autoStoppable;
+  private volatile String trackerProblems;
+  private volatile int trackerSeenPeers;
+  private volatile boolean _autoStoppable;
 
 
   /** from main() via parseArguments() single torrent */