Allows exposing new resource types to be exposed (OpenShift deployment
controllers, copying services, and other resources that will have
pod label selectors).
Also fixed a bug where the selector wasn't exposed because of parameter
defaulting.
generate man pages for kubectl using the cobra.Command information.
This will directly create files in (by default) docs/man/man1/ called
kubectl*.1. Each child verb/cobra command will gets its own man page.