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
Point result = new Point(width + marginWidth + marginWidth
					+ thmargin + thmargin, height + marginHeight + marginHeight
					+ tvmargin + tvmargin);
			return result;
		}
		public int computeMinimumWidth(Composite parent, boolean changed) {
			return computeSize(parent, 0, SWT.DEFAULT, changed).x;
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.ui.forms.parts.ILayoutExtension#computeMinimumWidth(org.eclipse.swt.widgets.Composite,
		 *      boolean)
		 */
		public int computeMaximumWidth(Composite parent, boolean changed) {
			return computeSize(parent, SWT.DEFAULT, SWT.DEFAULT, changed).x;
		}
	}
	/**
	 * Creates an expandable composite using a TWISTIE toggle.
	 * 
	 * @param parent
	 *            the parent composite
	 * @param style
	 *            SWT style bits
	 */
	public ExpandableComposite(Composite parent, int style) {
		this(parent, style, TWISTIE);
	}
	/**