Bug 295981 [Forms] FormImages & FormFonts are not disposed correctly
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/internal/forms/widgets/FormHeading.java
* Returns the title image that will be rendered to the left of the title.
	 * 
	 * @return the title image
	 * @since 3.2
	 */
	public Image getImage() {
		return titleRegion.getImage();
	}
	/**
	 * Sets the background color of the header.
	 */
	public void setBackground(Color bg) {
		super.setBackground(bg);
		internalSetBackground(bg);
	}
	private void internalSetBackground(Color bg) {
		titleRegion.setBackground(bg);
		if (messageRegion != null)
			messageRegion.setBackground(bg);
		if (toolBarManager != null)
			toolBarManager.getControl().setBackground(bg);
		putColor(COLOR_BASE_BG, bg);
	}
	/**
	 * Sets the foreground color of the header.
	 */
	public void setForeground(Color fg) {
		super.setForeground(fg);
		titleRegion.setForeground(fg);
		if (messageRegion != null)