allow kubectl cmd to process dirs recursively

reqs:
    - the kubectl cmd must support the -f | --filename flag
    - the kubectl cmd must support visiting a dir one level deep,
    or using more than one resource

docs/user-guide/kubectl/kubectl_create.md

@@ -63,6 +63,7 @@ cat pod.json | kubectl create -f -
   -f, --filename=[]: Filename, directory, or URL to file to use to create the resource
   -o, --output="": Output mode. Use "-o name" for shorter output (resource/name).
       --record[=false]: Record current kubectl command in the resource annotation.
+  -R, --recursive[=false]: If true, process directory recursively.
       --save-config[=false]: If true, the configuration of current object will be saved in its annotation. This is useful when you want to perform kubectl apply on this object in the future.
       --schema-cache-dir="~/.kube/schema": If non-empty, load/store cached API schemas in this directory, default is '$HOME/.kube/schema'
       --validate[=true]: If true, use a schema to validate the input before sending it
@@ -103,7 +104,7 @@ cat pod.json | kubectl create -f -
 * [kubectl create secret](kubectl_create_secret.md)	 - Create a secret using specified subcommand.
 * [kubectl create serviceaccount](kubectl_create_serviceaccount.md)	 - Create a service account with the specified name.
 
-###### Auto generated by spf13/cobra on 2-Mar-2016
+###### Auto generated by spf13/cobra on 28-Mar-2016
 
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