Setup logging in kubectl via pkg/util/logs

pkg/util/logs.go got its own package in a771578a1c, but it was not
imported in the kubelet anymore such that its init() func
did not run setting logtostderr to true by default.

cmd/kubectl/app/kubectl.go

@@ -21,6 +21,7 @@ import (
 
 	"k8s.io/kubernetes/pkg/kubectl/cmd"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
+	"k8s.io/kubernetes/pkg/util/logs"
 )
 
 /*
@@ -28,6 +29,9 @@ WARNING: this logic is duplicated, with minor changes, in cmd/hyperkube/kubectl.
 Any salient changes here will need to be manually reflected in that file.
 */
 func Run() error {
+	logs.InitLogs()
+	defer logs.FlushLogs()
+
 	cmd := cmd.NewKubectlCommand(cmdutil.NewFactory(nil), os.Stdin, os.Stdout, os.Stderr)
 	return cmd.Execute()
 }