synchronously).

	Requires new GNOME VFS.

	* libnautilus/nautilus-directory-private.h:
	* libnautilus/nautilus-directory.c:
	* libnautilus/nautilus-directory.h:
	Changed code to read and write metafiles async. Too many functions
	modified for me to list here.

	* libnautilus/nautilus-file-private.h:
	* libnautilus/nautilus-file.c:
	* libnautilus/nautilus-file.h:
	(nautilus_file_changed), (nautilus_file_emit_changed),
	(nautilus_file_get_metadata), (nautilus_file_set_metadata),
	(nautilus_file_call_when_ready), (nautilus_file_cancel_callback):
	Changes to NautilusFile so it can participate in the new.

	* components/notes/ntl-notes.c (notes_load_metainfo):
	Fixed a bug in my recent changes where it would use a bad file
	object when getting metadata.

	* src/file-manager/fm-directory-view.c (notes_load_metainfo):
	Renamed "tags" to "keys".