Log Message:
Update to 0.4.5:

version 0.4.5 (20-November-2008):
	* Added GObject property accessors for notification IDs. Patch by Lucas
	  Rocha.
	* Added support for sending the closed reason in the "closed" signal
	  handler. (Ticket #139)
	* Added support for sending the status icon XID to the notification
	  daemon. This will allow better position tracking for context
	  notifications. Patch by Colin Walters.
	* Fixed a breakage where we were including gtkversion.h directly.