Fixes some compile errors in the JOAL backend
Fixes some compile errors in gdx-backend-jogl
Fixes some compile errors in gdx-tests-jogl
Updates JogAmp JARs (JOGL 2.1.4 build 1198) and fixes some compile errors
Implements the cursor change in the JogAmp NEWT backend
Fetch jogamp jogl and joal backend jars from jogamp.org