Refactorización: 

Change method 'public double
ubu.gii.dass.refactoring.Price.getCharge(Movie movie, int daysRented)'
to 'public double getCharge(int daysRented)'
- Original project: 'refactoring-fowler-example'
- Original element: 'ubu.gii.dass.refactoring.Price.getCharge(...)'
- Keep original element as delegate to refactored element
- Removed parameters:
     Movie movie