protected void reattachSectionElement(Element parent, TableSectionElement section,
                                              Element nextSection) {
            parent.insertBefore(section, nextSection);
        }
Reattach a table section element from its parent.

@param parent      the parent element
@param section     the element to reattach
@param nextSection the next section
stroom-core-client-widget/src/main/java/com/google/gwt/user/cellview/client/AbstractCellTable.java