message: Fix button proptypes
diff: @@ -12,7 +12,7 @@ export default class Button extends Component {
  static propTypes = {
  style: PropTypes.object,
  alignment: PropTypes.oneOf(['left', 'center', 'right']),
  - appearance: PropTypes.oneOf(['primary', 'default', 'danger', 'vk-rich', 'vk-primary', 'vk-secondary', 'vk-tertiary']),
  + appearance: PropTypes.oneOf(['primary', 'default', 'danger', 'vk-wide-primary', 'vk-wide', 'vk-rich', 'vk-primary', 'vk-secondary', 'vk-tertiary']),
  wide: PropTypes.bool,
  children: PropTypes.node,
  className: PropTypes.string
  