[GRASS-git] [OSGeo/grass-website] f21fd8: Adds graphic timeline to history

[Nicolas Bozon]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: f21fd8d3f9631e47bb8f95dc2b5ae7b59aecc47e
      https://github.com/OSGeo/grass-website/commit/f21fd8d3f9631e47bb8f95dc2b5ae7b59aecc47e
  Author: nbozon <nicolas.bozon at cartogenic.com>
  Date:   2020-06-07 (Sun, 07 Jun 2020)

  Changed paths:
    M content/about/history.md
    M content/about/history/gnu-release.md
    M content/about/history/releases.md
    M content/about/history/van-warren-notes.md
    M content/about/history/web-evolution.md
    A static/images/conferences_logos/FOSS4G2004_Mayuri.png
    A static/images/logos/grasslogo_legacy.png
    M themes/grass/assets/css/style.css
    A themes/grass/layouts/about/timeline.html

  Log Message:
  -----------
  Adds graphic timeline to history

Adds graphic timeline and revamps the history subsection