kubectl add show-labels flag to make it more readable

docs/user-guide/kubectl/kubectl_rolling-update.md

@@ -85,6 +85,7 @@ $ kubectl rolling-update frontend-v1 frontend-v2 --rollback
       --rollback[=false]: If true, this is a request to abort an existing rollout that is partially rolled out. It effectively reverses current and next and runs a rollout
       --schema-cache-dir="~/.kube/schema": If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema'
   -a, --show-all[=false]: When printing, show all resources (default hide terminated pods.)
+      --show-labels[=false]: When printing, show all labels as the last column (default hide labels column)
       --sort-by="": If non-empty, sort list types using this field specification.  The field specification is expressed as a JSONPath expression (e.g. 'ObjectMeta.Name'). The field in the API resource specified by this JSONPath expression must be an integer or a string.
       --template="": Template string or path to template file to use when -o=go-template, -o=go-template-file. The template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview].
       --timeout=5m0s: Max time to wait for a replication controller to update before giving up. Valid time units are "ns", "us" (or "µs"), "ms", "s", "m", "h".
@@ -124,7 +125,7 @@ $ kubectl rolling-update frontend-v1 frontend-v2 --rollback
 
 * [kubectl](kubectl.md)	 - kubectl controls the Kubernetes cluster manager
 
-###### Auto generated by spf13/cobra on 8-Dec-2015
+###### Auto generated by spf13/cobra on 20-Jan-2016
 
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