Merge branch 'master' of https://github.com/kubernetes/kubernetes.github.io into release-1.6

* 'master' of https://github.com/kubernetes/kubernetes.github.io: (21 commits)
  revert issue URL, turn into link
  docs/admin/authorization: remove duplicated phrase (#3045)
  update urls
  Fix a typo and update one url
  update urls
  update a url
  update urls
  update invalid links
  update some urls
  modify the url of RestartPolicy (#3034)
  Fix the url
  amend the url
  amend the readiness probes (#3031)
  modify the link url (#3030)
  change the url (#3029)
  Fix the typo.
  Fix the link url
  delete redundant example
  fix typo
  change a link's url
  ...

# Conflicts:
#	docs/admin/authorization/index.md

docs/concepts/cluster-administration/authenticate-across-clusters-kubeconfig.md

@@ -20,7 +20,7 @@ Multiple kubeconfig files are allowed, if specified explicitly.  At runtime they
 
 ## Related discussion
 
-http://issue.k8s.io/1755
+[http://issue.k8s.io/1755](http://issue.k8s.io/1755)
 
 ## Components of a kubeconfig file
 
@@ -228,7 +228,7 @@ Any path in a kubeconfig file is resolved relative to the location of the kubeco
 ## Manipulation of kubeconfig via `kubectl config <subcommand>`
 
 In order to more easily manipulate kubeconfig files, there are a series of subcommands to `kubectl config` to help.
-See [kubectl/kubectl_config.md](/docs/user-guide/kubectl/kubectl_config) for help.
+See [kubectl/kubectl_config](/docs/user-guide/kubectl/kubectl_config) for help.
 
 ### Example
 

docs/concepts/cluster-administration/federation-service-discovery.md

@@ -111,7 +111,7 @@ Namespace:              default
 Labels:                 run=nginx
 Selector:               run=nginx
 Type:                   LoadBalancer
-IP:         
+IP:                     10.63.250.98
 LoadBalancer Ingress:   104.197.246.190, 130.211.57.243, 104.196.14.231, 104.199.136.89, ...
 Port:                   http    80/TCP
 Endpoints:              <none>