help fix JOGL errors/warnings

[Anton Shterenlikht]

>From mizhka at gmail.com Mon May 16 14:29:22 2016
>
>Do you have tried graphics/jogl also?

no, not yet. The reason is that the
tutorials I'm trying to follow are described as [1]

 "These tutorials use JOGL 2.0, not the older JOGL 1.x."

But I'll see if jogl 1.1.1 makes a difference.

Thank you

Anton

[1] https://sites.google.com/site/justinscsstuff/jogl-tutorials