[GRASS-git] [OSGeo/grass] c39db6: howto_release: reformat to MD and updated

[Markus Neteler]

  Branch: refs/heads/howto_release_update
  Home:   https://github.com/OSGeo/grass
  Commit: c39db6f1c700436f14aebf30094a66871a0f8922
      https://github.com/OSGeo/grass/commit/c39db6f1c700436f14aebf30094a66871a0f8922
  Author: Markus Neteler <neteler at mundialis.de>
  Date:   2019-11-10 (Sun, 10 Nov 2019)

  Changed paths:
    A doc/howto_release.md
    R doc/howto_release.txt

  Log Message:
  -----------
  howto_release: reformat to MD and updated