[GRASS-web] [OSGeo/grass-website] ba3e09: add some more screenshots to the gallery (#99)

[Veronica Andreo]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: ba3e09329784b0bf3623ef3022628fb3e7437b71
      https://github.com/OSGeo/grass-website/commit/ba3e09329784b0bf3623ef3022628fb3e7437b71
  Author: Veronica Andreo <veroandreo at gmail.com>
  Date:   2020-04-12 (Sun, 12 Apr 2020)

  Changed paths:
    A static/images/gallery/3D/uav_diff.png
    A static/images/gallery/development/grass_5_6_7_roadmap_graphic.png
    A static/images/gallery/gui/grass704_modeler_skyview.png
    A static/images/gallery/gui/grass71_count_and_modules.png
    A static/images/gallery/gui/grass71_pyedit.png
    A static/images/gallery/gui/grass75_ndvi_rgb_rio_cuarto.png
    A static/images/gallery/history/fort_hood_gis.png
    A static/images/gallery/history/grass_logo_development.png
    A static/images/gallery/raster/geomorphon_3d.png
    A static/images/gallery/raster/gui_with_lidar_veg_bg.png
    A static/images/gallery/raster/lidar_city.png
    A static/images/gallery/temporal/summer_solstice_centennial.gif
    A static/images/gallery/temporal/temporal_htc.png
    A static/images/gallery/temporal/temporal_precip_temp.png
    A static/images/gallery/vector/hexagons_3d_white_outlier.png
    A static/images/gallery/vector/network.png

  Log Message:
  -----------
  add some more screenshots to the gallery (#99)

* add some more screenshots to the gallery from https://github.com/wenzeslaus/grass-gis-talks

* two more pics