sink: Add support for missing event types
sink: Add support for missing event types

http://bugzilla.clutter-project.org/show_bug.cgi?id=2624

lubosz/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,GNOME/clutter-gst,skinkie/clutter-gst,GNOME/clutter-gst,skinkie/clutter-gst,lubosz/clutter-gst,ystreet/clutter-gst,ystreet/clutter-gst,lubosz/clutter-gst,GNOME/clutter-gst,GNOME/clutter-gst,skinkie/clutter-gst