Massive UI Improvements & Changes

[Qainguin]

• Added Better ROM Prompt
  • Blinks text asking the user to click on the page to give it a Mario Kart DS rom.
• Added Course Selector with images
  • Includes Scrollbar if the screen can't fit all the courses on screen
• Added Gamepad Support
  • Press any button on the course select screen to activate
• Added Lap Counter
  • Top-Right, fades out when the race ends