Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
* @return the control, or <code>null</code> if this cell editor has no control
     */
    public Control getControl() {
        return control;
    }
    /**
     * Returns the current error message for this cell editor.
     * 
     * @return the error message if the cell editor is in an invalid state,
     *  and <code>null</code> if the cell editor is valid
     */
    public String getErrorMessage() {
        return errorMessage;
    }
    /**
     * Returns a layout data object for this cell editor.
     * This is called each time the cell editor is activated
     * and controls the layout of the SWT table editor.
     * <p>
     * The default implementation of this method sets the 
     * minimum width to the control's preferred width.
     * Subclasses may extend or reimplement.
     * </p>
     *
     * @return the layout data object 
     */
    public LayoutData getLayoutData() {
        LayoutData result = new LayoutData();
        Control control = getControl();
        if (control != null) {