message: make vertical tabbar a controlled component
diff: @@ -18,6 +18,7 @@ export default class VerticalTabBar extends React.Component {
  static propTypes = {
  children: PropTypes.node,
  tabs: PropTypes.array.isRequired,
  + tab: PropTypes.string,
  defaultTab: PropTypes.string,
  buttonsMargin: PropTypes.number,
  tabChanged: PropTypes.func
  @@ -39,7 +40,7 @@ export default class VerticalTabBar extends React.Component {
  <div>
  <ListMenu direction={MenuDirections.Bottom} width={130} padding={5} opener={
  <VerticalTabBarItem focusable={true}>
  - <span>{this.state.activeTab.tab}</span>
  + <span>{this.props.tab || this.state.activeTab.tab}</span>
  </VerticalTabBarItem>
  }>
  {this.props.tabs.map(tab => (
  