Changeset 613 for trunk/contrib/gtk-2.22.1/etc/gtk-2.0/gtk.immodulesTweet

Add Win32 contrib files for easier deployment:

• gtk-2.22.1, downloaded from the bundle available on ​http://ftp.twaren.net/Unix/X/GNOME/binaries/win32/gtk+/2.22/ and stripped from src, man, manifest, share/doc, share/man, share/gtk-doc, share/gtk-2.0 and toplevel files
• gtkglarea-2.0.1, built by hand
• sdl-1.2.14, from ​http://www.libsdl.org/release/SDL-devel-1.2.14-VC8.zip and stripped from toplevel files
• sdl-image-1.2.10, from ​http://www.libsdl.org/projects/SDL_image/release/ and stripped from toplevel files
• sdl-mixer-1.2.11, from ​http://www.libsdl.org/projects/SDL_mixer/release/ and stripped from toplevel files