dd promo art, icons, ghost art and update ios for no iAd
Switch to seeded randomness.

For now the seeds are not specified, but the will be soon.
If you hard-code the seeds, you get the same random level each time.
Initial replay code. Still has bugs.
Track player offset from top wall.

This fixes the inconsistent replays! w00t!
Delete debugging replay code.
Add ghost to manifest.