deepcopy: add interface deepcopy funcs

- add DeepCopyObject() to runtime.Object interface
- add DeepCopyObject() via deepcopy-gen
- add DeepCopyObject() manually
- add DeepCopySelector() to selector interfaces
- add custom DeepCopy func for TableRow.Cells

pkg/apis/apps/types.go

@@ -23,6 +23,7 @@ import (
 )
 
 // +genclient=true
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
 // StatefulSet represents a set of pods with consistent identities.
 // Identities are defined as:
@@ -188,6 +189,8 @@ type StatefulSetStatus struct {
 	UpdateRevision string
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // StatefulSetList is a collection of StatefulSets.
 type StatefulSetList struct {
 	metav1.TypeMeta
@@ -197,6 +200,7 @@ type StatefulSetList struct {
 }
 
 // +genclient=true
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
 // ControllerRevision implements an immutable snapshot of state data. Clients
 // are responsible for serializing and deserializing the objects that contain
@@ -218,6 +222,8 @@ type ControllerRevision struct {
 	Revision int64
 }
 
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
 // ControllerRevisionList is a resource containing a list of ControllerRevision objects.
 type ControllerRevisionList struct {
 	metav1.TypeMeta