Merge branch 'master' of https://github.com/kubernetes/kubernetes.github.io into release-1.7

* 'master' of https://github.com/kubernetes/kubernetes.github.io:
  Fix sentence
  Minor grammatical correction
  Remove beta as K8s support on Bluemix Container Service is live
  Fix some output
  replace REASON with STATUS
  column IP is missed
  replace kubectl.sh with kubectl
  replace KUBECTL with kubectl
  fix the command output
  fix the command output
  fix the command output
  Correcting the typo in init-container's name
  fix typo
  fix typo
  fix typo
  fix typo
  fix typo
  Update pod-overview.md (#3881)
  apps/v1beta1 is not valid (#3814)
  Get access to search console. (#3901)

docs/concepts/workloads/controllers/deployment.md

@@ -526,7 +526,7 @@ Eventually, resume the Deployment and observe a new ReplicaSet coming up with al
 ```shell
 $ kubectl rollout resume deploy nginx
 deployment "nginx" resumed
-$ KUBECTL get rs -w
+$ kubectl get rs -w
 NAME               DESIRED   CURRENT   READY     AGE
 nginx-2142116321   2         2         2         2m
 nginx-3926361531   2         2         0         6s
@@ -543,7 +543,7 @@ nginx-2142116321   0         1         1         2m
 nginx-2142116321   0         0         0         2m
 nginx-3926361531   3         3         3         20s
 ^C
-$ KUBECTL get rs
+$ kubectl get rs
 NAME               DESIRED   CURRENT   READY     AGE
 nginx-2142116321   0         0         0         2m
 nginx-3926361531   3         3         3         28s

docs/concepts/workloads/controllers/jobs-run-to-completion.md

@@ -308,7 +308,7 @@ to keep running, but you want the rest of the pods it creates
 to use a different pod template and for the job to have a new name.
 You cannot update the job because these fields are not updatable.
 Therefore, you delete job `old` but leave its pods
-running, using `kubectl delete jobs/old-one --cascade=false`.
+running, using `kubectl delete jobs/old --cascade=false`.
 Before deleting it, you make a note of what selector it uses:
 
 ```

docs/concepts/workloads/controllers/nginx-deployment.yaml

@@ -1,4 +1,4 @@
-apiVersion: apps/v1beta1
+apiVersion: apps/v1beta1 # for versions before 1.6.0 use extensions/v1beta1
 kind: Deployment
 metadata:
   name: nginx-deployment

docs/concepts/workloads/controllers/petset.md

@@ -118,7 +118,7 @@ Saving this config into `petset.yaml` and submitting it to a Kubernetes cluster
 ```shell
 $ kubectl create -f petset.yaml
 service "nginx" created
-petset "nginx" created
+petset "web" created
 ```
 
 ## Pet Identity