[GRASS-git] [OSGeo/grass] 1c98fa: Add national land cover dataset color table (#518)

[Brendan Harmon]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 1c98fa8834c7d1afe728ec8263cfdd5f08863bd1
      https://github.com/OSGeo/grass/commit/1c98fa8834c7d1afe728ec8263cfdd5f08863bd1
  Author: Brendan Harmon <brendan.harmon at gmail.com>
  Date:   2020-08-22 (Sat, 22 Aug 2020)

  Changed paths:
    M lib/gis/colors.desc
    A lib/gis/colors/nlcd

  Log Message:
  -----------
  Add national land cover dataset color table (#518)

* added nlcd color table

* added nlcd to color descriptions