Updated Layout of GameOver class

GameOver Class
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*Added player statistics to the GUI
*Repositioned new game/quit buttons
*Resized the textarea output
*Added Player parameter to constructor

GameGUI class
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*Added a method to get player from the game so that it can be passed
onto Game Over to display player statistics

Maze Class
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*Added method to get player from the maze so that Game class can access
it

GameDriver Class
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*Redid transition between GameGUI and GameOver to pass Player from
GameGUI to GameOver