Dev/jpsnyder/fixup menu

- created loading screen to menu.py when loading a game
    - draws a progress bar that the game program can control by printing "P" + a percentage between 0-100
    - when the game program prints "READY", the menu will stop displaying the loading screen and wait for the game process to die
- changed font size for menu items to large
- added Jed and Tess to konami code