Function createCircleBy3Points

createCircleBy3Points(reference, point1, point2, point3): CircleBy3Points
Creates a circle defined by three points on its circumference
Parameters
- reference: CoordinateReference
  the reference in which the circle is defined
- point1: Point
  A point on the circumference
- point2: Point
  A point on the circumference
- point3: Point
  A point on the circumference
Returns CircleBy3Points
The new circle