* gnome/About.custom: fixes exception when passing null argument svn path=/trunk/gtk-sharp/; revision=44631
* */*.custom : scrub for string usage in DllImports. * gnome/Makefile.am : remove IconTheme.custom, it's not generated. svn path=/trunk/gtk-sharp/; revision=41615
* gnome/About.custom : implement a subclassable ctor. * gnome/Gnome.metadata : hide About ctor, fix About.Construct parms. * gnome/Makefile.am : add the new custom. [Fixes #71271] svn path=/trunk/gtk-sharp/; revision=39521