Refactoring

src/main/java/GameOfLifeApplication.java

src/main/java/controller/Controller.java

src/main/java/controller/Simulation.java

src/main/java/datastruct/ConstantMatrixInitializer.java

src/main/java/datastruct/Coordinate.java

src/main/java/datastruct/CoordinateIterator.java

src/main/java/datastruct/Lens.java

src/main/java/datastruct/Matrix.java

src/main/java/datastruct/MatrixInitializer.java

src/main/java/datastruct/MatrixIterator.java

src/main/java/model/Cell.java

src/main/java/model/CellGrid.java

src/main/java/model/CellLens.java

src/main/java/model/CellState.java

src/main/java/model/CellularAutomataSimulation.java

src/main/java/model/GameOfLifeState.java

src/main/java/model/GridIterator.java

src/main/java/model/OneStepMatrixInitializer.java

src/main/java/model/State.java

src/main/java/view/FillingMouseListener.java