* The link in access-cluster.md is stale
* service name segment of apiserver proxy must have trailing colon when
schema is specified
* Replace apiserver address with a reserved documentation IP address
Signed-off-by: Quan Tian <qtian@vmware.com>
The acess-cluster-service page, has nothing to do with administering a cluster.
A better home for this page should be the `/docs/tasks/access-application-cluster` subdirectory instead.