Merge pull request #1038 from kolyshkin/context

Switch from x/net/context to context

cli/command/system/version.go

@@ -1,6 +1,7 @@
 package system
 
 import (
+	"context"
 	"fmt"
 	"runtime"
 	"sort"
@@ -15,7 +16,6 @@ import (
 	"github.com/docker/docker/api/types"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	"golang.org/x/net/context"
 	kubernetesClient "k8s.io/client-go/kubernetes"
 )