Coding the JFrame and begin of GameStateManager and subclasses
Adding subclass of AbstractGameState
Adding javadoc in AbstractGameState
Begining AbstractEntity and subclasses
Adding empty methods to entities
Coding constructors of entities
Coding Racket class
Coding ball class and refactoring AbstractEntity and subclasses
Coding draw method in MenuState class
Thread implementation to update and display game
Spliting KeyListener and Thread from PongPanel
Changing game state thanks to menu OK
Escape key to go to menu
Exit option OK
BALL : Adding constructor with no parameter, setting the location to middle
Drawing the game state
Merge branch 'master' of https://github.com/mmarcot/pong