Improved documentation across entire codebase and removed redundant methods/fields.

...va/edu/ntnu/stud/chaosgame/controller/game/ChaosGame.java

...u/stud/chaosgame/controller/game/GuiButtonController.java

...stud/chaosgame/controller/game/PopupButtonController.java

...ud/chaosgame/controller/utility/ChaosGameFileHandler.java

...main/java/edu/ntnu/stud/chaosgame/model/data/Complex.java

...in/java/edu/ntnu/stud/chaosgame/model/data/Matrix2x2.java

.../java/edu/ntnu/stud/chaosgame/model/game/ChaosCanvas.java

.../ntnu/stud/chaosgame/model/game/ChaosGameDescription.java

...aosgame/model/generators/ChaosGameDescriptionFactory.java

...ud/chaosgame/model/transformations/AffineTransform2D.java

.../stud/chaosgame/model/transformations/JuliaTransform.java

...tnu/stud/chaosgame/model/transformations/Transform2D.java

src/main/java/edu/ntnu/stud/chaosgame/view/ChaosGameGui.java

...java/edu/ntnu/stud/chaosgame/view/ChaosGameImageView.java

.../java/edu/ntnu/stud/chaosgame/view/ChaosGameObserver.java

...stud/chaosgame/view/modificationpopups/AbstractPopup.java

...stud/chaosgame/view/modificationpopups/Affine2DPopup.java

...urces/descriptions/saved_descriptions/Heighway-Dragon.txt

...stud/chaosgame/transformations/AffineTransform2DTest.java

...nu/stud/chaosgame/transformations/JuliaTransformTest.java