* gtk/ScrolledWindow.custom: new file with ScrolledWindow custom
default constructor
* parser/Metadata.pm: addClassData subroutine to add
<disabledefaultconstructor/>
* parser/Gtk.metadata: disable default constructor for
ScrolledWindow
* generator/ObjectGen.cs: added hasDefaultConstructor flag, dont
generate default protected empty constructor if
hasDefaultConstructor is false, it will be provided by .custom
file
* generator/makefile (RUNTIME): use RUNTIME variable
svn path=/trunk/gtk-sharp/; revision=5854