update reaper, scaler, describer for GroupKind

pkg/apis/extensions/register.go

@@ -24,6 +24,11 @@ import (
 // SchemeGroupVersion is group version used to register these objects
 var SchemeGroupVersion = unversioned.GroupVersion{Group: "extensions", Version: ""}
 
+// Kind takes an unqualified kind and returns back a Group qualified GroupKind
+func Kind(kind string) unversioned.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
 func init() {
 	// Register the API.
 	addKnownTypes()