dulwich/relicensing-apachev2.txt

At the moment, Dulwich is licensed under the GNU General Public License,
version 2 or later.

We'd like to relicense Dulwich under the Apache v2 (or later) license, as
the GPL is problematic for many free software Python projects that are under
BSD-style licenses. See also https://github.com/jelmer/dulwich/issues/153

For reference, a full copy of the Apachev2 license can be found here:
https://www.apache.org/licenses/LICENSE-2.0

New contributions to Dulwich should be dual licensed under the GNU GPLv2 (or
later) and the Apachev2 (or later) licenses.