Mac OS X: getPbufferCapabilities no longer requires a current context
Linux: Handle different GLX capabilities on different screens
Win32: Compile fix
Removed unsued JNIEnv parameter from extgl_QueryExtension
Linux: Fixed glx
Moved platform specific stuff from extgl.c into platform directories
Typo fix
Made Context.setVSync static. Added synchronization.
Removed debug
Clean up java code