Small patch that addresses to clean up some old inactive code and provides small changes to UI.

Fixes:
- Breakout information should no longer be visible in high scores.
- Game screen scales down properly for very unusual and small resolutions.

Changes:
- Language was moved from Gameplay options to main menu.
- Author's Note was moved to Options, to avoid clutter in main menu.
- Mouse hover and keyboard/controller actions should now be synced.