* generator/ClassBase.cs : remove default ctor generation and
hasDefaultConstructor field.
* generator/Ctor.cs : chain to base (IntPtr.Zero).
* generator/StructBase.cs : remove hasDefaultConstructor usage.
* glib/Object.cs : remove Object () ctor. Add Ben's GetGType
method, although nothing uses it yet. Still working on integrating
the remainder of Ben's patch.
* gtk/Gtk.metadata : remove all the disabledefaultctor rules.
* */*.custom : add base (IntPtr.Zero) or this (...) chaining for
all ctors.
svn path=/trunk/gtk-sharp/; revision=25184
* gnome/PrintDialog.custom: Added overloaded ctor with fewer parameters.
* sources/Gnome.metadata: Disabled default ctor for PrintJob,
changed type from int to PrintDialogFlags for PrintDialog ctor and
changed return type from byte to string for PrintConfig.Get.
svn path=/trunk/gtk-sharp/; revision=18738
