[GRASS-git] [OSGeo/grass] 27c352: AUTHORS: various updates

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 27c352f57533b0a166d6820b2bca75dbee29cfda
      https://github.com/OSGeo/grass/commit/27c352f57533b0a166d6820b2bca75dbee29cfda
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-07-25 (Sat, 25 Jul 2020)

  Changed paths:
    M AUTHORS

  Log Message:
  -----------
  AUTHORS: various updates

- temporal order fixed
- added GH ref
- added missing Google Summer of Code awards
- updated contact