Updated the name of the library
Updated the name of the library

BSpline -> Multivariate-BSplines
ds283/splinter,ds283/splinter,bgrimstad/splinter,bgrimstad/splinter,ds283/splinter,bgrimstad/splinter,ds283/splinter,bgrimstad/splinter,lasote/multivariate-splines,bgrimstad/splinter,ds283/splinter