Move from glog to klog

- Move from the old github.com/golang/glog to k8s.io/klog
- klog as explicit InitFlags() so we add them as necessary
- we update the other repositories that we vendor that made a similar
change from glog to klog
  * github.com/kubernetes/repo-infra
  * k8s.io/gengo/
  * k8s.io/kube-openapi/
  * github.com/google/cadvisor
- Entirely remove all references to glog
- Fix some tests by explicit InitFlags in their init() methods

Change-Id: I92db545ff36fcec83afe98f550c9e630098b3135

cmd/genswaggertypedocs/BUILD

@@ -17,8 +17,8 @@ go_library(
     importpath = "k8s.io/kubernetes/cmd/genswaggertypedocs",
     deps = [
         "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/github.com/golang/glog:go_default_library",
         "//vendor/github.com/spf13/pflag:go_default_library",
+        "//vendor/k8s.io/klog:go_default_library",
     ],
 )
 

cmd/genswaggertypedocs/swagger_type_docs.go

@@ -23,8 +23,8 @@ import (
 
 	kruntime "k8s.io/apimachinery/pkg/runtime"
 
-	"github.com/golang/glog"
 	flag "github.com/spf13/pflag"
+	"k8s.io/klog"
 )
 
 var (
@@ -37,7 +37,7 @@ func main() {
 	flag.Parse()
 
 	if *typeSrc == "" {
-		glog.Fatalf("Please define -s flag as it is the source file")
+		klog.Fatalf("Please define -s flag as it is the source file")
 	}
 
 	var funcOut io.Writer
@@ -46,7 +46,7 @@ func main() {
 	} else {
 		file, err := os.Create(*functionDest)
 		if err != nil {
-			glog.Fatalf("Couldn't open %v: %v", *functionDest, err)
+			klog.Fatalf("Couldn't open %v: %v", *functionDest, err)
 		}
 		defer file.Close()
 		funcOut = file