Aerofoil is (c)2019-2020 Eric Lasota

Based on Glider PRO by John Calhoun

Aerofoil is made available under the following dual-license terms:

- You may use any portion of the Aerofoil project's source code under the
  conditions of the GNU General Public License version 2, as published in the
  included LICENSE-GPL2.txt file.

- If you obtain a license to use the Glider PRO source code under terms other
  than the terms of the GNU General Public License version 2, or if you do not
  require a license (i.e. because you hold the copyright), or if you are are
  permitted to use Glider PRO's source code under different terms for any
  other reason, you may use any new source code and modifications in the
  Aerofoil source code under the conditions of the MIT license, as published
  in the included LICENSE-MIT.txt file.