gobject-introspection: Update to 1.39.3.

This is a major update to the latest stable release.
atk: Update to 2.11.6.

Major update to latest version.
glib2: Update to 2.39.4.

Major update to latest version of glib2.
gdk-pixbuf2: Update to 2.30.5.

This is a major update to the latest version.
gnome-themes-standard: Update to 3.11.5.

Update to latest version.
gtk3: Update to 3.10.0.

Major update to latest version.
pygobject3: Shared libraries should be shipped by the related packages.
mutter: Recomends to also install gnome-themes-standard and gsettings-desktop-schemas.