Permission to Relicense under MPLv2

This is a statement by Simen Sommerfelt Reine that grants permission to relicense its copyrights in the XCFun C++ library under the Mozilla Public License v2 (MPLv2).

A portion of the commits made by the GitHub handle simensr, with commit author Simen Reine, are copyright of Simen Sommerfelt Reine. This document hereby grants the XCFun project team to relicense XCFun, including all past, present and future contributions of the author listed above.

Simen Sommerfelt Reine 2017/06/03
