message: Add new options to BsOption in index.d.ts
diff: @@ -67,6 +67,9 @@ declare namespace BScroll {
  bindToWrapper: boolean;
  disableMouse: boolean;
  disableTouch: boolean;
  + observeDOM: boolean;
  + autoBlur: boolean;
  + stopPropagation: boolean;
  /**
  * for picker
  * wheel: {
  