[1747790] Fixed berserk red-eye not beating necrophages. Berserking now forces

the entire FOV red and everything outside FOV darkgrey (overriding feature colours).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1756 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on July 5, 2007
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