Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
* Optional cell editor validator; <code>null</code> if none.
     */
    private ICellEditorValidator validator = null;
    /**
     * The error message string to display for invalid values;
     * <code>null</code> if none (that is, the value is valid).
     */
    private String errorMessage = null;
    /**
     * Indicates whether this cell editor has been changed recently.
     */
    private boolean dirty = false;
    /**
     * This cell editor's control, or <code>null</code>
     * if not created yet.
     */
    private Control control = null;
    /**
     * Default cell editor style
     */
    private static final int defaultStyle = SWT.NONE;
    /**
     * This cell editor's style
     */
    private int style = defaultStyle;
    /** 
     * Struct-like layout data for cell editors, with reasonable defaults
     * for all fields.
     */
    public static class LayoutData {