[GRASS-git] [OSGeo/grass] 903b80: AUTHORS: various updates

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_6
  Home:   https://github.com/OSGeo/grass
  Commit: 903b80f5fd2b108f2ecd8de6ff16d79c6f9181e5
      https://github.com/OSGeo/grass/commit/903b80f5fd2b108f2ecd8de6ff16d79c6f9181e5
  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