Lightweight Java Game Library Code

Windows: Use WindowsKeyboard in WindowsAWTInput to ensure keyboard input.

Remove AWTInputAdapter.update() and let users poll() Mouse and Keyboard directly

AWTGLCanvas: Make sure we don't paint while destroying the canvas

AWTGLCanvas: Ignore failure to lock drawing surface, since that can happen when the component is being destroyed

Don't use threads to repaint in test.applet.* tests

AWTGLCanvas: Synchronize paintGL() to avoid destroyContext while painting

Windows: Implemented AWTInputAdapter.

Fixed AWTUtil.setCursorPosition. Added check to LinuxAWTInput.

Mac OS X: Fixed cursor warping coordinates

Fixed potential NPE from Cursor.getCapabilities()