* I2CP: Cache b32 lookups client-side

* I2PTunnelHTTPClient: Use existing session for b32 lookups
                         rather than a new SimpleSession
  * Naming: Increase b32 lookup timeout to 15 sec.

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 = 4;
+    public final static long BUILD = 5;
 
     /** for example "-test" */
     public final static String EXTRA = "";