message: Position add app widget link
diff: @@ -226,7 +226,10 @@ module.exports = React.createClass({
  onClick={this.onClickAddWidget}
  role="button"
  tabIndex="0"
  - className="mx_AddWidget_button"
  + className={this.state.apps.length<2 ?
  + "mx_AddWidget_button mx_AddWidget_button_full_width" :
  + "mx_AddWidget_button"
  + }
  title={_t('Add a widget')}>
  [+] {_t('Add a widget')}
  </div>;
  