color-swatch: add a color-light/color-dark style class for intensity
color-swatch: add a color-light/color-dark style class for intensity

Themes might want to set different colors on the badge if the displayed
color is light or dark. Use a style class for this when we set a color
on the swatch.

msteinert/gtk,chergert/gtk,Distrotech/gtk2,jadahl/gtk,jadahl/gtk,ahodesuka/gtk,Adamovskiy/gtk,Lyude/gtk-,davidgumberg/gtk,msteinert/gtk,jessevdk/gtk,ebassi/gtk,Lyude/gtk-,Sidnioulz/SandboxGtk,bratsche/gtk-,bratsche/gtk-,Distrotech/gtk2,ahodesuka/gtk,Distrotech/gtk2,Sidnioulz/SandboxGtk,Sidnioulz/SandboxGtk,davidgumberg/gtk,jigpu/gtk,alexlarsson/gtk,Adamovskiy/gtk,ebassi/gtk,grubersjoe/adwaita,alexlarsson/gtk,alexlarsson/gtk,msteinert/gtk,grubersjoe/adwaita,bratsche/gtk-,ahodesuka/gtk,jessevdk/gtk,davidt/gtk,ebassi/gtk,ebassi/gtk,jadahl/gtk,grubersjoe/adwaita,jigpu/gtk,jessevdk/gtk,Adamovskiy/gtk,chergert/gtk,Lyude/gtk-,alexlarsson/gtk,grubersjoe/adwaita,davidt/gtk,msteinert/gtk,Lyude/gtk-,Distrotech/gtk2,ahodesuka/gtk,chergert/gtk,Lyude/gtk-,Lyude/gtk-,davidt/gtk,alexlarsson/gtk,jessevdk/gtk,jadahl/gtk,davidt/gtk,grubersjoe/adwaita,jigpu/gtk,davidt/gtk,jessevdk/gtk,chergert/gtk,ahodesuka/gtk,jigpu/gtk,Adamovskiy/gtk,davidgumberg/gtk,jessevdk/gtk,jadahl/gtk,ebassi/gtk,jigpu/gtk,chergert/gtk,grubersjoe/adwaita,ahodesuka/gtk,jigpu/gtk,bratsche/gtk-,msteinert/gtk,jadahl/gtk,jigpu/gtk,davidgumberg/gtk,chergert/gtk,jessevdk/gtk,davidt/gtk,bratsche/gtk-,davidgumberg/gtk,alexlarsson/gtk,bratsche/gtk-,Sidnioulz/SandboxGtk,Distrotech/gtk2,Distrotech/gtk2,ahodesuka/gtk,Adamovskiy/gtk,grubersjoe/adwaita,davidgumberg/gtk,Sidnioulz/SandboxGtk,davidgumberg/gtk,Adamovskiy/gtk,jadahl/gtk,Adamovskiy/gtk,Sidnioulz/SandboxGtk,alexlarsson/gtk,jigpu/gtk,jadahl/gtk,Adamovskiy/gtk,msteinert/gtk,davidgumberg/gtk,Lyude/gtk-,grubersjoe/adwaita,Lyude/gtk-,chergert/gtk,chergert/gtk,ahodesuka/gtk,alexlarsson/gtk,ebassi/gtk