CHG: zero-order polynomial now returns 1 monomial, constant=1


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5137 42a5c34f-2066-0410-bec5-ba365beb4995
FIX: adjust to zero-order polynomial now having 1 monomial also


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5138 42a5c34f-2066-0410-bec5-ba365beb4995
ADD: draft polynomial xform I/O


git-svn-id: https://www.nitrc.org/svn/cmtk/trunk@5139 42a5c34f-2066-0410-bec5-ba365beb4995