Added a java client library.

Author: Oleg Kurbatov

readme.md

@@ -36,6 +36,7 @@ Most of the time you will be interacting with arduino with a client library on t
 * java 
   * [https://github.com/4ntoine/Firmata]
   * [https://github.com/shigeodayo/Javarduino]
+  * [https://github.com/kurbatov/firmata4j]
 * .NET
   * [http://www.imagitronics.org/projects/firmatanet/]
 * Flash/AS3