Removed all pause image constant strings, now the pause image is chosen by arch. Part of the effort of making e2e arch-agnostic

cmd/integration/integration.go

@@ -785,7 +785,7 @@ func runSchedulerNoPhantomPodsTest(client *client.Client) {
 			Containers: []api.Container{
 				{
 					Name:  "c1",
-					Image: "gcr.io/google_containers/pause-amd64:3.0",
+					Image: e2e.GetPauseImageName(client),
 					Ports: []api.ContainerPort{
 						{ContainerPort: 1234, HostPort: 9999},
 					},
@@ -795,7 +795,7 @@ func runSchedulerNoPhantomPodsTest(client *client.Client) {
 		},
 	}
 
-	// Assuming we only have two kublets, the third pod here won't schedule
+	// Assuming we only have two kubelets, the third pod here won't schedule
 	// if the scheduler doesn't correctly handle the delete for the second
 	// pod.
 	pod.ObjectMeta.Name = "phantom.foo"