[Bugfix] Performed exorcism - ghost no longer haunt you after mounting your cycle

+Fix for indoor flying. Or hovering. Or whatever.

+Better fix of the same issues

+Fixed hovercycle phasing through ceilings
+Fixed hovercycle lag (hopefully)

+Added Hovercycle

+ Added motorcycle
+ Under-the-hood changes to prepare the mod for addition of more cycle types!

Fixed typo (Thanks, unowinator!)