Created Game Utilities Library
-Created new library with classes that can be used for any game
-Game Utilities includes InputManager class which handles all mouse and keyboard input
-Renamed Button to GameButton and moved it into GameUtilities
-Moved RectangleF into Game Utilities
-Moved WrapAngle function to RectangleF class
-Moved Timer into Game Utilities
-Updated comments and classes in PirateWars to reflect