Regen docs with new pflags

This basically just shows in the docs that the =false portion of
booleans are optional.

docs/user-guide/kubectl/kubectl_config_set-cluster.md

@@ -64,7 +64,7 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
       --api-version=: api-version for the cluster entry in kubeconfig
       --certificate-authority=: path to certificate-authority for the cluster entry in kubeconfig
       --embed-certs=false: embed-certs for the cluster entry in kubeconfig
-  -h, --help=false: help for set-cluster
+  -h, --help[=false]: help for set-cluster
       --insecure-skip-tls-verify=false: insecure-skip-tls-verify for the cluster entry in kubeconfig
       --server=: server for the cluster entry in kubeconfig
 ```
@@ -82,7 +82,7 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
       --log-dir=: If non-empty, write log files in this directory
       --log-flush-frequency=5s: Maximum number of seconds between log flushes
       --logtostderr=true: log to standard error instead of files
-      --match-server-version=false: Require server version to match client version
+      --match-server-version[=false]: Require server version to match client version
       --namespace="": If present, the namespace scope for this CLI request.
       --password="": Password for basic authentication to the API server.
       --stderrthreshold=2: logs at or above this threshold go to stderr
@@ -90,7 +90,7 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
       --user="": The name of the kubeconfig user to use
       --username="": Username for basic authentication to the API server.
       --v=0: log level for V logs
-      --validate=false: If true, use a schema to validate the input before sending it
+      --validate[=false]: If true, use a schema to validate the input before sending it
       --vmodule=: comma-separated list of pattern=N settings for file-filtered logging
 ```
 
@@ -98,8 +98,7 @@ $ kubectl config set-cluster e2e --insecure-skip-tls-verify=true
 
 * [kubectl config](kubectl_config.md)	 - config modifies kubeconfig files
 
-###### Auto generated by spf13/cobra at 2015-07-14 00:11:42.95861887 +0000 UTC
-
+###### Auto generated by spf13/cobra at 2015-08-05 14:22:30.87626611 +0000 UTC
 
 <!-- BEGIN MUNGE: GENERATED_ANALYTICS -->
 [![Analytics](https://kubernetes-site.appspot.com/UA-36037335-10/GitHub/docs/user-guide/kubectl/kubectl_config_set-cluster.md?pixel)]()