Fix 2018458: Portal projectile not handling branded ammo or nets.

Fix 2019803: cold/fire destroying all susceptible items on the floor Change "You don't eat raw eat!" to "Blech - you need greens!"

Also: Experimentally change sacrifices to take only 1 turn again, no matter how many corpses are actually sacrificed during this turn. Allow chained 'yes' and 'no' answers during the butchering prompt, so that 'cccccc' is now really functionally identical to 'ca'. In another return to previous handling, always get in that first turn of butchering for a single corpse (or the first corpse in butcher chains), so it takes a maximum of 3 turns rather than 4. Same for draining corpses as a Vampire: when draining corpses you get at least a little bit of nutrition out of it before you are interrupted.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6579 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on July 17, 2008
5FZYO6GQ5DWJFMRHCFSLAI4NVGK2HJ6RE7BLHBVTNQJHN75K5LUQC
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