Added dummy vault to prevent too much repetition of the early-game vaults (we

only have one early-game vault).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@998 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on March 8, 2007
NH533CNPGAQGR3QSSXRKCAJHSPVSHSPSTEJXRDIRH5YPKMGMEHVAC
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