* Defaults to v1beta1
* apiserver takes -storage_version which controls etcd storage version
and the version of the client used to connect to other apiservers
* Changed signature of client.New to add version parameter
* All controller code and component code prefers the oldest (most common)
server version
Check for 1 path segment on create/list, 2 on update/delete, and
allow any number of path segments on get (for now).
Also pretty prints the list of actual types that are supported for
create/update, which today corresponds to the list of types that
are supported period.