foam.u2.Element: Add insertBefore/insertAfter and addBefore() methods to Element.
foam.u2.Element: Add insertBefore/insertAfter and addBefore() methods to Element.

mdittmer/foam,mdittmer/foam,jlhughes/foam,jlhughes/foam,jlhughes/foam,mdittmer/foam,jacksonic/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam,foam-framework/foam,foam-framework/foam,jacksonic/foam,foam-framework/foam,jacksonic/foam,mdittmer/foam,jacksonic/foam