* libnautilus-extensions/nautilus-preferences-group.c:
	* libnautilus-extensions/nautilus-preferences-group.h:
	Add support for custom preferences items.

	* libnautilus-extensions/nautilus-preferences-item.h:
	* libnautilus-extensions/nautilus-preferences-item.c:
	Add support for custom preferences items.  For now only the theme
	selector uses this powerful technology.

	Fix bug 8167 - Crash boinking on single-click mode.  It was a dumb
	mistake left over from a previous fix.  Wrong number of arguments
	to a signal.

	Fix bug where strings in enumeration menus would show up
	untranslated in the preferences dialog, even in locales where
	translations exist.

	* libnautilus-extensions/nautilus-theme.h:
	* libnautilus-extensions/nautilus-theme.c: (load_theme_document),
	(nautilus_pixmap_file_may_be_local),
	(nautilus_theme_get_image_path_from_theme),
	(nautilus_theme_make_preview_pixbuf): Rename this function from
	nautilus_theme_make_selector for greater clarity.
...