Properly display p2 score
Shift out enough bytes to make sure the score fully blanks
Start factoring out game and display logic for cleaner code.

Also factor out VictorySong to get it out of the way.
Reestablish server tracking
Have Game::init just call restart(1)
Handle game over / reset
Play the victory song!
Reenable sleep mode, remove commented out code
Fix setting server on restart
Remove serial printing
Merge pull request #8 from rubyist/player2-handling

Finish Player 2 handling