[arch-general] gsl 2.1

Hi all,

It seems that the latest officially stable version of gsl (gnu scientific library) is 2.1. The repository is at 1.16, and I don't see anything more recent in [testing] or AUR.

Is there an intention to update this package straight to 2.1, or to introduce a gsl2 package? I've no problem with putting this on AUR myself, but I don't want to step on toes / waste time.