Added space-stripper helper function to Helpers
Added docking port rendering code, set material to a yellow
Added correct docking port lighting, added scene node enum in resource.h
Removed unessecary Maya camera line
Moved storage of docking port nodes into OrbiterDockingPort
Removed references to old dockingPortNodes
Changed node movement system to use original position in anticipitation of snapping
Docking ports are now only visible when the parent vessel is being dragged