libgsf 1.7.2

[Jody Goldberg <jody gnome org>]

At this point the OLE and Zip inputs and outputs can be considered
stable and ready for use in production code.  The xml import wrapper
is also at a point where the api is stable and should be usable for
real applications.  Drop your XML-DOM interfaces now don't delay !
Convert now and you'll get a free gift, a semi tested xml export
interface.

Dom:
	* Extend gnome-vfs support to handle uris
	* Ensure large reads and writes happen

Jody:
	* Start work on some simplified xml export utilities.
	* Extend xml import facilities to support namespaces.
	* Catch invalid OLE files with cycles.
	* Fix exporting OLE files larger than 6.8 Meg

Jon Kåre:
	* Only unset valid GValues when reading msole properties.

Morten:
	* Fix xml save problem.

Tor Lillqvist:
	* Tweaks for the win32 build.