Bug 245457 [Forms] ExpandableComposite should have option of not drawing the title focus box
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/ExpandableComposite.java
* Creates the expandable composite in the provided parent.
	 * 
	 * @param parent
	 *            the parent
	 * @param style
	 *            the control style (as expected by SWT subclass)
	 * @param expansionStyle
	 *            the style of the expansion widget (TREE_NODE, TWISTIE,
	 *            CLIENT_INDENT, COMPACT, FOCUS_TITLE,
	 *            LEFT_TEXT_CLIENT_ALIGNMENT, NO_TITLE)
	 */
	public ExpandableComposite(Composite parent, int style, int expansionStyle) {
		super(parent, style);
		this.expansionStyle = expansionStyle;
		if ((expansionStyle & TITLE_BAR) != 0)
			setBackgroundMode(SWT.INHERIT_DEFAULT);
		super.setLayout(new ExpandableLayout());
		if (hasTitleBar()) {
			this.addPaintListener(new PaintListener() {
				public void paintControl(PaintEvent e) {
					onPaint(e);
				}
			});
		}
		if ((expansionStyle & TWISTIE) != 0)
			toggle = new Twistie(this, SWT.NULL);
		else if ((expansionStyle & TREE_NODE) != 0)
			toggle = new TreeNode(this, SWT.NULL);
		else
			expanded = true;