removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
removed references to delegate global variable
extracted display creation to polimorphic objects
added image set to displays and removed unused methods