A cut at an ability to build without Medusa, starting with a patch
	that Eric Fischer wrote. This change is not fully tested.

	Fixed bug 5513 ("nautilus --help" displays "Help options" twice).

	* acconfig.h: Add HAVE_MEDUSA.
	* configure.in: Add code to detect HAVE_MEDUSA.

	* libnautilus-extensions/nautilus-customization-data.c:
	(nautilus_customization_data_destroy), (load_name_map_hash_table):
	Added a FIXME.

	* libnautilus-extensions/Makefile.am:
	* libnautilus-extensions/nautilus-file.h:
	* libnautilus-extensions/nautilus-trash-file.h:
	* libnautilus-extensions/nautilus-trash-file.c:
	(nautilus_trash_file_initialize), (trash_destroy),
	(nautilus_trash_file_initialize_class):
	* libnautilus-extensions/nautilus-vfs-file.h:
	* libnautilus-extensions/nautilus-vfs-file.c:
	(nautilus_vfs_file_initialize), (vfs_destroy),
	(nautilus_vfs_file_initialize_class):
	Initial cut at breaking out the special trash version of
	NautilusFile. Sadly we need this as we...