-30rc

Add an icon (in OSX parlance, a 'bundle') to the installation folder to start
I2P.  

While there might be a better way to handle this (admittedly, I don't know OSX
that well), it is my belief that this way is less 'hackish' than the various
OSX 'installers' that I've seen floating around.

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 = 29;
+    public final static long BUILD = 30;
 
     /** for example "-test" */
     public final static String EXTRA = "-rc";