message: fix(dropdown): fix default value of displaying
diff: @@ -51,7 +51,7 @@ export class BsDropdownDirective implements OnInit, OnDestroy {
  /**
  * This attribute indicates that the dropdown should be opened upwards
  */
  - @Input() dropup = true;
  + @Input() dropup = false;
  /**
  * Indicates that dropdown will be closed on item or document click,
  