i2ptunnel:

- Fix hostname signature not finding private key file
 - Hide hostname signature if not successful
 - Null check for hostname signature failure
 - Make add-to-addressbook link a button
 - Add QR code generation

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 = 8;
+    public final static long BUILD = 9;
 
     /** for example "-test" */
     public final static String EXTRA = "";