message: Added to description of WCube constructor
  `WCube` constructor reorders `min_point`, `max_point` parameters when necessary. I added this info to the description.
diff: @@ -374,8 +374,8 @@ namespace cv
  public:
  /** @brief Constructs a WCube.
  - @param min_point Specifies minimum point of the bounding box.
  - @param max_point Specifies maximum point of the bounding box.
  + @param min_point Specifies minimum (or maximum) point of the bounding box.
  + @param max_point Specifies maximum (or minimum) point of the bounding box, opposite to the first parameter.
  @param wire_frame If true, cube is represented as wireframe.
  @param color Color of the cube.
  