Scenario Fermi 500 updates

[Xansta]

• Remove instances of using as a loop index since it conflicts with the localization function also named .
• Add GM buttons for game statistics.
• Add button in station communications for player telling them exactly how far they are from the race start point. - Remove three blank lines from final score screen that used to account for awkward main screen text display, which has been fixed since this scenario was originally written.
• Clearly indicate when nobody finishes the race at the end of the scenario or at the end of the pre-race period.