[crossfire] server commit for map2 support.

[Tchize]

Mark Wedel wrote:
> Alex Schultz wrote:
>   
>
>   This won't happen any more.  living objects are defined to be on level 6 and 
> 7.  So the only thing that would cause it to change layers is if it steps on top 
> of something with another living object (which can't currently happen under 
> normal circumstances).
>
>   
I *think* traps are living objects. And monsters / players can walk on 
traps.