NautilusVolume private.

	* libnautilus-private/filesystem-attributes.xml: Changed the
	"description" string to be named "default_volume_name" and also
	marked it to be localized.

	* libnautilus-private/nautilus-file-utilities.h:
	* libnautilus-private/nautilus-file-utilities.c:
	(nautilus_get_data_file_path):
	Added a new utility function to locate a file that's either in the
	user's directory or in the Nautilus datadir.

	* src/nautilus-property-browser.c: (read_browser_xml): Use
	nautilus_get_data_file_path.

	* libnautilus-private/nautilus-trash-directory.c:
	(get_trash_volume):
	* libnautilus-private/nautilus-trash-monitor.c:
	(add_one_volume_trash):
	* src/file-manager/fm-desktop-icon-view.c: (volume_in_black_list),
	(create_unique_volume_name), (create_mount_link),
	(volume_unmounted_callback), (update_disks_menu):
	* src/nautilus-application.c: (volume_mounted_callback),
	(volume_unmounted_callback):
	* src/nautilus-bookmark-list....