Log Message:
Update to 2.12.4:

Overview of Changes from gnome-python 2.12.3 to gnome-python 2.12.4
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* python gnomevfs methods
 - Build problem when installation prefix != /usr fixed.

Overview of Changes from gnome-python 2.12.2 to gnome-python 2.12.3
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* python gnomevfs methods
 - Again, fix handling of VFS errors from python vfs methods (Eitan Isaacson)
 - Don't map VFS method check_same_fs to move_func python method (Eitan)

Overview of Changes from gnome-python 2.12.1 to gnome-python 2.12.2
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* gnomecanvas
 - Fix crash in gnomecanvas.Item.grab (Xavier Ordoquy, Gustavo)
* gnome.ui
 - Make 'custom_icon' arg of icon_lookup optional (Gustavo)
* python gnomevfs methods
 - Fix handling of VFS errors from python vfs methods (Eitan Isaacson)

Overview of Changes from gnome-python 2.12.0 to gnome-python 2.12.1
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* Fix compilation on Mac OS X (dmacks@netspace.org)

Overview of Changes from gnome-python 2.11.3 to gnome-python 2.12.0
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* gnomevfs
 - Fix invalid memory access in gnomevfs.async.xfer;
 - Add a new example of a GnomeVFS module written in python;
 - Install pygnomevfs.h for use by other python extensions;
* gnomecanvas
 - Demonstrate how to activate AA in the canvas example.

Overview of Changes from gnome-python 2.11.2 to gnome-python 2.11.3
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* gnomecanvas
 - Compilation fixes with libgnomecanvas 2.11.x (Murray Cumming, Gustavo)
 - Add canvas-curve.py example demonstrating the use bezier objects
* gconf
 - Fix crash when passing the wrong number of arguments to
   client.get_pair (Gustavo)
* gnomevfs
 - New DNS-SD functions wrapped: dns_sd_browse_sync,
   dns_sd_resolve_sync, dns_sd_list_browse_domains_sync, and
   get_default_browse_domains (Gustavo)