Merge pull request #21 from MOARdV/master

Implement rendering when vessel orbit is hyperbolic.
Bottom altitude below zero is kind of senseless.
I'll add more stuff later.
Meh.
I wonder how could I make those paths non-system-dependent.
Bar formatter reverse feature.
And one more path change
Well, I got a request...
Trailer character for BAR formatter.
Hover point.
Minor change of plans.
Tweakable thrust

That should fix incorrect maximum thrust when tweakables are used.
I think it's time to publish that.
Every time I see a question

...I'll add it to this FAQ.
Encounters
Tweaks
Camera flicker options.
Oops.
Adjust the alarm limit.
Small good idea.