Lightweight Java Game Library Code

stop updating cursor all the time and only continue animation if mouse is inside window

Mouse Grab Bug on Linux Fixed when LWJGL is run as an applet.

cleanup imports

use HEAD request when determening file size

workaround for missing certificate for AppletLoader if cached

updating to 2.2.1

FIX: Mouse Grab should now work on Windows when using Display.setParent()

Stop AppletLoader on download failure, instead of displaying error and continuing download of files.

AppletLoader file download handling improved.
Unknown Caching that was causing problems has been found and disabled.
The infamous "Fatal Error occured (5): null" bug should really be dead this time :)
3 attempts are made to download a file if it fails to download.
File size is now verified after a downloaded to make sure it is the correct size.

Fixed TexCoordPointer exception when ARB_multitexture is not available.