Added allow_dup to all bazaar and lab maps.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2225 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on September 27, 2007
53K44NBML2QHWLZNXU5HBY2MOIXRK7ZGFQYAWZFO663TCOJKVHZAC
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