* java/awt/image/MemoryImageSource.java: Change constructor to take
int[] not byte[].
* java/awt/Graphics2D.java: Uncomment methods that can now be
compiled.
* java/awt/GridBagLayout.java: New stub implementation.
* javax/swing/text/html/HTML.java: Stub implementation.
* javax/swing/text/html/parser/ParserDelegator.java: New stub
implementation.