Remove old file-system property. Add new file-system-backend string

Remove old file-system property. Add new file-system-backend string

2004-02-19  Alexander Larsson  <alexl@redhat.com>

	* gtk/gtkfilechooser.c: (gtk_file_chooser_class_init):
	* gtk/gtkfilechooserutils.c:
	* gtk/gtkfilechooserutils.h:
	* gtk/gtkfilechooserwidget.c:
	Remove old file-system property.
	Add new file-system-backend string property

	* gtk/gtkfilechooserdefault.[ch]:
	Handle the file-system-backend property

	* gtk/gtkfilechooserdialog.[ch]:
	(gtk_file_chooser_dialog_new_with_backend):
	Remove old file-system property.
	Add new file-system-backend string property
	Add new function gtk_file_chooser_dialog_new_with_backend

	* gtk/gtkfilesystem.c:
	* gtk/gtkfilesystem.h:
	Add filesystem module support.