Add more miscellaneous minor cleanups.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7603 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on November 25, 2008
77TCDR7AO42VYBIYZYWRWFSX34MPZCNW6SLBREFZZZ5NBPXEKDFAC
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