Moved speed to GamePiece

-Added speed as a private member variable in GamePiece
-Added getters and setters for speed
-Removed speed from Ball
-Changed ball to use speed from GamePiece
-Changed GameManager to use the speed from GamePiece
Added own general config file

-Renamed old config loader from ConfigLoader to ColortConfigLoader
-Added new config with the name ConfigLoader
-Added config file config/Coonfig.txt
-Added config for Ball speed and Bonus Box speed
-Added speed variable to GamePiece along with setters and getters
-Changed GameManger to set speed of BonusBox and Ball when they are
added