Faces now have 2 more elements, bold-p and italic-p.

Faces now have 2 more elements, bold-p and italic-p.
(internal-facep, make-face, x-create-frame-with-faces):
Create frames with those elements.
(face-bold-p, face-italic-p): Just fetch those elements.
(set-face-italic-p, set-face-bold-p): Doc fixes.
(make-face-bold, make-face-italic, make-face-bold-italic)
(make-face-unbold, make-face-unitalic): Set those new elements.