webgui6: use more compact representations for colors
webgui6: use more compact representations for colors

Instead of string number:rgb(r,g,b) just store number:r,g,b
root-mirror/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,karies/root,karies/root,olifre/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,karies/root,karies/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,olifre/root,olifre/root,karies/root,olifre/root,olifre/root,karies/root,root-mirror/root,root-mirror/root,olifre/root