Orb behaviors. Planet hugging. Better score

Completely news scoring system that makes a lot more sense. Score never goes down. Lifetime totals matter. Latest trends matter. Skill matters.

Ship will try to level with planet surface. Have fun racing around.

Orbs now have different behaviors. Right now ring orbs will drop to planet. Surface orbs will move around surface while slowly drifting higher. They are alert to your speed. Try not to scare them off. All these behaviors are also dialed by adaptive difficulty.

Surface cubes are now standing on point so it looks a bit like a geodesic surface rather than a disco ball.  Added third missing ring ribbon (wrapping the surface)