* tests/fake-pinentries/README.txt and
tests/fake-pinentries/fake-pinentry.{sh,py,pl,php}}: New public
domain (CC0) files to encourage better test suite practices from
downstream developers.
* tests/fake-pinentries/COPYING (new): a copy of
https://creativecommons.org/publicdomain/zero/1.0/legalcode.txt
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>