Update 0.5 change log to include the correct changes listed for 0.4.4.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7888 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on December 20, 2008
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