Merge branch 'johannes/nord-theme' into 'master'

CHANGELOG.md

buffyboard/screenshots/README.md

buffyboard/screenshots/adwaita-dark-1024x768.png

buffyboard/screenshots/adwaita-dark-1280x800.png

buffyboard/screenshots/adwaita-dark-1440x720.png

buffyboard/screenshots/adwaita-dark-1920x1080.png

buffyboard/screenshots/adwaita-dark-480x800.png

buffyboard/screenshots/adwaita-dark-540x960.png

buffyboard/screenshots/adwaita-dark-768x1024.png

buffyboard/screenshots/adwaita-dark-800x480.png

buffyboard/screenshots/adwaita-dark-960x540.png

buffyboard/screenshots/breezy-dark-1024x768.png

buffyboard/screenshots/breezy-dark-1280x800.png

buffyboard/screenshots/breezy-dark-1440x720.png

buffyboard/screenshots/breezy-dark-1920x1080.png

buffyboard/screenshots/breezy-dark-480x800.png

buffyboard/screenshots/breezy-dark-540x960.png

buffyboard/screenshots/breezy-dark-768x1024.png

buffyboard/screenshots/breezy-dark-800x480.png

buffyboard/screenshots/breezy-dark-960x540.png