Upstream version 1.5.1

# gpg: Signature made Mit 30 Jän 2019 23:28:51 CET using RSA key ID BA1B9BFA
# gpg: Good signature from "Hans-Christoph Steiner <hans@guardianproject.info>"
# gpg:                 aka "Hans-Christoph Steiner <hans@at.or.at>"
# gpg:                 aka "Hans-Christoph Steiner <hans@eds.org>"
# gpg:                 aka "[jpeg image of size 5375]"

* tag 'upstream/1.5.1':
  New upstream version 1.5.1