First version of 'smooth landing' in physics.
Added (some) support for driving on walls, added documentation.
Merge remote-tracking branch 'origin/master' into soft-physics-landing
Merge remote-tracking branch 'origin/master' into soft-physics-landing
Different implementation of soft-landing.
Added more debug output.
Merge remote-tracking branch 'origin/master' into soft-physics-landing
Removed debug output, added documentation.