Add more miscellaneous minor cleanups.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7538 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on November 22, 2008
RE735MKKI332QV2TPH4UYQN5TKQK23AZF6GOFNLCWQHJFC5QREYAC
Change contents