Fix bug 5462 ("View as %s" and "%s Viewer" composed messages hard
	to translate) by making Nautilus view oafinfo files provide the
	full messages.

	* libnautilus-extensions/nautilus-view-identifier.h,
	libnautilus-extensions/nautilus-view-identifier.c:
	nautilus_view_identifier_new, nautilus_view_identifier_copy,
	nautilus_view_identifier_new_from_oaf_server_info,
	nautilus_view_identifier_free): Add `view_as_label' and
	`viewer_label' fields; determine them from either special new oaf
	attributes or compose them from `view_as_name'.

	* libnautilus-extensions/nautilus-program-chooser.c
	(program_file_pair_get_program_name_for_display): Use new
	identifier fields.
	* src/file-manager/fm-directory-view.c
	(add_component_to_bonobo_menu): Use new identifier fields.
	* src/nautilus-window.c (create_view_as_menu_item): Use new
	identifier fields.

	* components/hardware/Nautilus_View_hardware.oaf.in,
	components/image-viewer/Nautilus_View_image.oaf.in,
	com...