Rename [label] query to selector

pkg/registry/interfaces.go

@@ -22,8 +22,8 @@ import (
 
 // PodRegistry is an interface implemented by things that know how to store Pod objects.
 type PodRegistry interface {
-	// ListPods obtains a list of pods that match query.
-	ListPods(query labels.Query) ([]api.Pod, error)
+	// ListPods obtains a list of pods that match selector.
+	ListPods(selector labels.Selector) ([]api.Pod, error)
 	// Get a specific pod
 	GetPod(podID string) (*api.Pod, error)
 	// Create a pod based on a specification, schedule it onto a specific machine.