Let the ant build create gdx-backend-jogl jars

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Stay OpenGL ES 1 compatible using GL2ES1 for JoglGL10 and JoglGL11.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Build gdx-joal and skip inclusion of JogAmp natives inside gdx jars.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Merge branch 'jogl-ant' into xranby
Copy JogAmp jars for gdx-backends-jogl & gdx-joal ant build to dist.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Fix eclipse gdx-backends-jogl and gdx-joal runnable jar export
Include JogAmp linux-arm natives for gluegen-rt, joal and jogl
Remove extra copy of gluegen-rt jars after eclipse export
    Introduce gdx-jogamp to hold a single copy of jogamp gluegen-rt jars
    Update gdx-backend-jogl and gdx-joal .classpath to depend on gdx-jogamp
Update build.xml to match above changes.

Signed-off-by: Xerxes Rånby <xerxes@zafena.se>
Merge pull request #3 from xranby/master

Improve ant build, eclipse runnable jar export, JogAmp ARM jars and GL2ES1 support