Added gluProject & gluUnproject (not tested)
Now it's at least implemented (but not tested).
Not a subclass of Util anymore.
Removed Display.getHandle() and fixed GLU to use new GL naming
Initial check in
Renamed CoreGL* to GL* and merged CoreGL*Constants
Extensions split out into separate classes
-1 for file size in ogg vorbis
support for ogg vorbis files
vorbis extension