Because Cubes framework does not work?

Downloaded Cubes framework (framework that helps create a Minecraft style game).

http://wiki.jmonkeyengine.org/doku.php/jme3:contributions:cubes:tools:noise

This framework is a plugin and is downloaded that SDK plugin option as download it on my SDK, but in time to test the code, the SDK does not You find the libraries, as if I had not downloaded the plugin!