cowsay: new package (#11743)
cowsay: new package (#11743)

- A program that generates ASCII pictures of a cow with a message.

- This is used by the ISC19 Singularity tutorial, so we should probably
  have it in Spack.
iulian787/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,LLNL/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack