Merge branch 'master' of git://github.com/kubernetes/website into release-1.12

* 'master' of git://github.com/kubernetes/website: (222 commits)
  Add temporary owners for 1.13 release (#11453)
  fix Minikube 404 error. (#11461)
  Resolve conflicts against dev-1.13 for /ko contents (#11439)
  replace `run` with `create deployment` (#11392)
  Updated list all pods with -o wide comment (#11394)
  fix broken link for KubeletConfiguration (#11423)
  Update on pod-priority-preemption.md (#11418)
  Add guidelines for working with localized content (#11415)
  Update what-is-kubernetes.md (#11399)
  Remove redundant close tags and little bit formatting (#11389)
  Add SysEleven MetaKube as hosted solution (#11393)
  Add rui to sig-docs-zh team (#11391)
  fix Improper translation (#11384)
  Add pigletfly(WangBing) as a sig-docs-zh-reviewer (#11370)
  update link to CloudProvider Interface (#11228)
  Fix the "my-scheduler-as-kube-scheduler" ClusterRoleBinding. (#11112)
  fix non-existing "CloudProvider Interface" link (#10953)
  Updated ingress.md (#11213)
  Further updates to TLS Bootstrapping (#11258)
  Updated 'exec' description (#11365)
  ...

content/zh/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade-1-9.md

@@ -54,7 +54,7 @@ Before proceeding:
 {{< caution >}}
 <!--
 
-**Caution:** All the containers will get restarted after the upgrade, due to container spec hash value gets changed.
+All the containers will get restarted after the upgrade, due to container spec hash value gets changed.
 
 --->
 **注意:** 由于容器的具体哈希值改变了，所有的容器在升级之后会重新启动。
@@ -98,7 +98,7 @@ chmod a+rx /usr/bin/kubeadm
 {{< caution >}}
 <!--
 
-**Caution:** Upgrading the `kubeadm` package on your system prior to upgrading the control plane causes a failed upgrade. 
+Upgrading the `kubeadm` package on your system prior to upgrading the control plane causes a failed upgrade. 
 Even though `kubeadm` ships in the Kubernetes repositories, it's important to install `kubeadm` manually. The kubeadm 
 team is working on fixing this limitation.