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.
This does away with the giant dump from cobra for kubectl and instead
generates md files which contain similar information, but one per verb.
This might work well as part of the cobra project, instead of doing it
in kube, but this gets us nice, linked, documentation right now. If
people like it, I will try to get something similar into cobra.