Don't make monsters leaving the level take shaft traps anymore: they

avoid stepping on them, and if they're flying, they'll never fall through them anyway. As for teleportation traps, maybe fleeing monsters should also head toward them if possible?

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5945 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on June 18, 2008
GJDBYGWL7YHRCO7Y4CTQV5XX36U6LTELKM6OFXT2M5N4LE7XXRBAC
Change contents