* ReusableGZIPInputStream: Fix 3 major bugs, all present since 2005:

- Payloads an exact multiple of 512 bytes failed to decompress
    - Data at the end of the stream could be lost
    - read() returned -1 when the data was 0xff

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 = 19;
+    public final static long BUILD = 20;
 
     /** for example "-test" */
     public final static String EXTRA = "";