use numpy.polynomial.Legendre.basis; make regress_poly default more intuitive
use numpy.polynomial.Legendre.basis; make regress_poly default more intuitive

carolFrohlich/nipype,carolFrohlich/nipype,carolFrohlich/nipype,mick-d/nipype,mick-d/nipype,carolFrohlich/nipype,mick-d/nipype,mick-d/nipype