* AssemblyInfo.cs.in : add IgnoreClassInitializers attr to all.
* generator/ObjectGen.cs : add custom-attr generation for objects.
* glib/ClassInitializerAttribute.cs : obsolete
* glib/IgnoreClassInitializersAttribute.cs : new assembly attr
to avoid a blind GetMethods reflection.
* glib/Makefile.am : add files
* glib/TypeInitializerAttribute.cs : new attr to specify init
method to be run at type registration.
* gtk/Widget.custom : remove the ClassInitializerAttr.
* gtk/Gtk.metadata : add a custom-attr node to GtkWidget.
* sample/Subclass.cs : use the IgnoreClassInitializers attr.
svn path=/trunk/gtk-sharp/; revision=85480
* glib/ClassInitializerAttribute.cs : new attr for identifying type.
inialization methods to be run by RegisterGType.
* glib/Makefile.am : add file.
* glib/Object.cs : add private method to invoke ClassInitializers.
* gtk/glue/widget.c : some new glue for binding registration.
* gtk/BindingAttribute.cs : new attr for registering key bindings.
* gtk/Makefile.am : add file.
* gtk/Widget.custom : add ClassInitializer method to scan types
for [Binding] and register key bindings.
svn path=/trunk/gtk-sharp/; revision=38074
