* i2psnark:

- Don't send a keepalive to a peer we are going to disconnect
   - Disconnect peer when idle a long time
   - PeerCheckerTask cleanup
   - Static ref cleanup
   - Don't show a downloaded torrent file as "seeding"
   - Better torrent file download icon (from Silk, same license as the others)

router/java/src/net/i2p/router/RouterVersion.java

@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 20;
+    public final static long BUILD = 21;
 
     /** for example "-test" */
     public final static String EXTRA = "";