change name of interfaces to ...ViewInterface.java

added interface of model

added class in presenter DVDPresenter.java and ActorPresenter.java

changed function because of button in classes in view
added package standardModel
connected view with presenter and presenter with model

defined static linked list dvds, actors and directors in model

first approach for function to add dvd to list in model
changed inheritance in view classes and removed static variable

finished function addDVD in presenter

create function addDVDToList in model
create start window
set function of button of addXXX

changed back listener to three different back listener
added console

changes some details in classes of view
changed test class DVDCollection