Bug 202474 [Forms] Create a resource manager to share the bold font
If a FormToolkit is passed into FormEditor it is disposed upon disposal of the editor even though it may be shared.
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/FormToolkit.java
* @return the expandable composite widget
	 */
	public ExpandableComposite createExpandableComposite(Composite parent,
			int expansionStyle) {
		ExpandableComposite ec = new ExpandableComposite(parent, orientation,
				expansionStyle);
		ec.setMenu(parent.getMenu());
		adapt(ec, true, true);
		ec.setFont(boldFontHolder.getBoldFont(ec.getFont()));
		return ec;
	}
	/**
	 * Creates a separator label as a part of the form.
	 * 
	 * @param parent
	 *            the separator parent
	 * @param style
	 *            the separator style
	 * @return the separator label
	 */
	public Label createSeparator(Composite parent, int style) {
		Label label = new Label(parent, SWT.SEPARATOR | style | orientation);
		label.setBackground(colors.getBackground());
		label.setForeground(colors.getBorderColor());
		return label;
	}
	/**
	 * Creates a table as a part of the form.
	 * 
	 * @param parent