The plugin-gobject branch of Mutter (now merged into our branch) converts
plugins to more-standard GObject GTypePlugin, with the plugin itself
being a GObject class.
gnome-shell-plugin.c: Switch plugin to the new scheme
shell-wm.[ch]: Forward effect signals to ShellWM rather than hooking
directly into the plugin vtable.
default: Remove this (accidentally committed) file
svn path=/trunk/; revision=133