(face-initialize): Don't create the `modeline' face.

(face-initialize): Don't create the `modeline' face.
Set region-face.
(invert-face): Really do use the default colors.
(x-initialize-frame-faces): Always try "gray" color for
primary-selection; always invert if that fails.
Similar changes for highlight, secondary-selection.

(make-face): Add interactive spec.
(set-default-font): Deleted.