- Changed name of "GUI" folder to "In Game GUI" for clarity
- Added some assets to the start menu including the screen used for the pause menu
- Removed the Cube object used to hold the ScreenChange component
- Added a blank object for the ScreenChange component
- Changed the name of the "Start Screen" GUISkin to "Start Menu"
- Added all the Start Menu textures to the Start Menu
- Cleaned up some code