Fix bug in polynomial for roots([1]) (unreported).  Fix so that xplt.plot will work when x and y are effectively 1-d arrays but perhaps have several length one dimensions appended.
Fix bug in polynomial for roots([1]) (unreported).  Fix so that xplt.plot will work when x and y are effectively 1-d arrays but perhaps have several length one dimensions appended.


git-svn-id: 003f22d385e25de9cff933a5ea4efd77cb5e7b28@680 d6536bca-fef9-0310-8506-e4c0a848fbcf

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