Add a few fighting-related consistency checks: don't try to convert

sleeping orcs if they're shapeshifters or summoned, and check if a monster can bleed before making it do so on the floor when it's hurt.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9309 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on March 2, 2009
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