playerControl.js: Disable photon firing and cursor movement in end-of-game.
gameOver.js: Repeat end-of-game message.
vars.js: send energyConsume message when consuming energy.
galaxy.js: Add method to get major date as a number.
gameOver.js: Implement ranking.
galaxy.js: Don't update the galaxy model after the game ends.
console.js: Tweak fade speed.
gameOver.js: Change values for M in scoring.

  Apparently the Atari Star Raiders Tribute page entered
    this information incorrectly, as scans of the original
    manual show that the COMMANDER difficulty has higher
    M value scores.