cowsay-3.04-bp154.1.20

- update to 3.0.4:
  - Licensing terms have changed to GPLv3.
  - Friendlier to being hosted on GitHub.
  - No functionality changes whatsoever.

- Add SUSE brand
  * chami.patch -- big chameleon picture named chameleon.cow
  * one-eye.patch -- helper patch to allow the chameleon to be dead

- Add perl to BuildRequires in order to make the package rebuild
  when perl was updated.

- use verbatim upstream source tarball
- use version number used upstream
- add source URLs, see https://en.opensuse.org/SourceUrls
- add source tarball signature verification
- specify perl requirements as per packaging recommendations

- Initial package.