Log Message:
Update libgnomeprint and libgnomeprintui to 2.12.1:

libgnomeprint 2.12.1

Christian Persch:
	* Fix the missing page of the print dialog. [#316692]
	* Don't crash or leak when printing to an invalid file. [#312803]

Jody:
	* Fix transparent image rendering. [#316018]
	* Patch leaks. [#312928, #312929, #316517]
	* Update paper preview on custom paper size change [#306886]
	* Fix instability in filters [#316490]

Jürg Billeter:
	* select the default printer. [#155144]

------------------------------------------------------------------------------
libgnomeprint 2.11.0

Ivan Wong:
	* Port to win32.
	* GDI backend.

Jody:
	* Fix pdf generation.
	* Fix duplex for cups printers.
	* Re-enable duplex-tumble for printers without ppd.
	* Add some G_GNUC_PRINTF to improve api warnings.

Lutz:
	* Prepare to modularize transports and drivers.
	* More work on clipboard support for previews.

Owen:
	* Fix pango handling of vertical offsets.