[GRASS-web] [OSGeo/grass-website] 62697a: older screenshots added (#98)

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: 62697ad6e46eb4cd912c73cf3012de87ce0a5456
      https://github.com/OSGeo/grass-website/commit/62697ad6e46eb4cd912c73cf3012de87ce0a5456
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-04-12 (Sun, 12 Apr 2020)

  Changed paths:
    A static/images/gallery/gui/grass61_gis_m_spearfish.jpg
    A static/images/gallery/gui/grass61_nviz_contours.png
    A static/images/gallery/history/grass32_tape.jpg

  Log Message:
  -----------
  older screenshots added (#98)