Committing patch 1823611, 1822279, 1821680 and 1821019 by

dolorous: typo fixes, mutation message fixes for black scales and boney plates, and fixed removal of elven M&F and dwarven Polearms.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2713 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on November 1, 2007
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