* libnautilus/nautilus-directory.c: (nautilus_directory_read_metafile):
	Handle the case where you try to make a NautilusDirectory object for
	something that's a file.

	* libnautilus/nautilus-directory.c: (nautilus_directory_get_metadata):
	Handle NULL directory objects better.

	* src/ntl-index-panel.c:
	Changed handling of NULL directory case so it will display something
	instead of doing early exits that leave the display as-is.

	* src/nautilus-index-title.h:
	* src/nautilus-index-title.c:
	Reformatted, some minor cleanups.