menu enhancements - theme and separators

separators work with and without a label

label title additions
- text color
- font selection
- center justification
- Oblique font style

docs/labwc-theme.5.scd

@@ -67,6 +67,10 @@ labwc-config(5).
 	Vertical padding of menu text entries in pixels.
 	Default is 4.
 
+*menu.title.text.justify*
+	Specifies how menu titles are aligned in the titlebar.
+	Type justification. Default Center.
+
 *menu.overlap.x*
 	Horizontal overlap in pixels between submenus and their parents. A
 	positive value move submenus over the top of their parents, whereas a
@@ -178,6 +182,9 @@ elements are not listed here, but are supported.
 	Menu title color. Default #589bda.
 	Note: A menu title is a separator with a label.
 
+*menu.title.text.color*
+	Text color of separator label.  Default #ffffff.
+
 *osd.bg.color*
 	Background color of on-screen-display. Inherits
 	*window.active.title.bg.color* if not set.