TODOs FIXED MovingBall.java
TODOs FIXED RollingBallGame.java
TODOs FIXED Segment.java
TODOs FIXED Vector.java
UPDATED Main.java
UPDATED MovingBall.java

REMOVED method setNewSpeed
UPDATED constant DISPLAY_FREQUENCY
ADDED method setSpeedVector
UPDATED Vector.java

MOVED method getLength from Segment.java to Vector.java
UPDATED Point.java

UPDATED constructor Point
UPDATED Segment.java

ADDED constant BOUNCE_FACTOR
MOVED method getLength from Segment.java to Vector.java
UPDATED method getReactionPower (now it works !)
		method intersect (now it works !)
UPDATED RollingBallGame.java

ADDED constant TIME_OF_STATIC_BALL_MAX
UPDATED method play
CREATED Display.java
CREATED Player.java
UPDATED Main.java