Update ent.kod

Making living trees less dangerous.
Update ent.kod
Update tuskskel.kod

Added dement here.
Update daemskel.kod

Added dement and palsy here.
Update batrskel.kod

Removed dement and palsy here.
Update ent.kod

Removed casting of lightning bolt.
Update zombie.kod

Forgot to remove it here! :)
Merge pull request #53 from PKChrisChan/monsterCastSpell

Meriging Monster Spellcasting modification for testing on 104