Added orbs

Fixed some door and text bugs, and added the key orbs needed to win the game. The end screen hasn't been implemented yet, but the goal of reviving the princess is theoretically attainable now.

portals should work, though there are a few warp tiles that I think nil the game.

anyway, I'll try to add music and actually make the ghosts spawn now.

I like having longer  time to work with in these GGJ games.