Update branch descriptions. Finally fixes 2664641.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9471 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dploog  on March 14, 2009
NWZF7GLXH3XBQXYP7AOEXB25RZBUXAAGFTRHA53TBWW7P3J3H7DQC
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