tseries : forced the _dates of tsmasked to a DateArray         : forced the _dates of a series of 1 variable to the shape of the data
tseries : forced the _dates of tsmasked to a DateArray
        : forced the _dates of a series of 1 variable to the shape of the data

git-svn-id: 003f22d385e25de9cff933a5ea4efd77cb5e7b28@2800 d6536bca-fef9-0310-8506-e4c0a848fbcf

lesserwhirls/scipy-cwt,scipy/scipy-svn,jasonmccampbell/scipy-refactor,scipy/scipy-svn,lesserwhirls/scipy-cwt,scipy/scipy-svn,scipy/scipy-svn,lesserwhirls/scipy-cwt,lesserwhirls/scipy-cwt,jasonmccampbell/scipy-refactor,jasonmccampbell/scipy-refactor,jasonmccampbell/scipy-refactor