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: 77a43f9646713b91fea7788fad5dfbf67e151ece@458 94b884b6-d6fd-0310-90d3-974f1d3f35e1

Ademan/NumPy-GSoC,teoliphant/numpy-refactor,illume/numpy3k,efiring/numpy-work,illume/numpy3k,Ademan/NumPy-GSoC,chadnetzer/numpy-gaurdro,illume/numpy3k,jasonmccampbell/numpy-refactor-sprint,chadnetzer/numpy-gaurdro,efiring/numpy-work,teoliphant/numpy-refactor,jasonmccampbell/numpy-refactor-sprint,jasonmccampbell/numpy-refactor-sprint,jasonmccampbell/numpy-refactor-sprint,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,chadnetzer/numpy-gaurdro,efiring/numpy-work,teoliphant/numpy-refactor,teoliphant/numpy-refactor,chadnetzer/numpy-gaurdro,teoliphant/numpy-refactor,illume/numpy3k,efiring/numpy-work