Split RESTStorage into separate interfaces

Omit unimplemented interfaces from Swagger

pkg/registry/event/rest.go

@@ -128,6 +128,10 @@ func (*REST) New() runtime.Object {
 	return &api.Event{}
 }
 
+func (*REST) NewList() runtime.Object {
+	return &api.EventList{}
+}
+
 // Update returns an error: Events are not mutable.
 func (rs *REST) Update(ctx api.Context, obj runtime.Object) (<-chan apiserver.RESTResult, error) {
 	return nil, fmt.Errorf("not allowed: 'Event' objects are not mutable")