Bug 295981 [Forms] FormImages & FormFonts are not disposed correctly
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/FormToolkit.java
*            the hyperlink parent
	 * @param style
	 *            the hyperlink style
	 * @return the image hyperlink widget
	 */
	public ImageHyperlink createImageHyperlink(Composite parent, int style) {
		ImageHyperlink hyperlink = new ImageHyperlink(parent, style
				| orientation);
		hyperlink.addFocusListener(visibilityHandler);
		hyperlink.addKeyListener(keyboardHandler);
		hyperlinkGroup.add(hyperlink);
		return hyperlink;
	}
	/**
	 * Creates a rich text as a part of the form.
	 * 
	 * @param parent
	 *            the rich text parent
	 * @param trackFocus
	 *            if <code>true</code>, the toolkit will monitor focus
	 *            transfers to ensure that the hyperlink in focus is visible in
	 *            the form.
	 * @return the rich text widget
	 */
	public FormText createFormText(Composite parent, boolean trackFocus) {
		FormText engine = new FormText(parent, SWT.WRAP | orientation);
		engine.marginWidth = 1;
		engine.marginHeight = 0;
		engine.setHyperlinkSettings(getHyperlinkGroup());
		adapt(engine, trackFocus, true);