openshift ex --help points to nonexistent help one level up

[sosiouxme]

$ openshift ex new-project --help
create a new project

Options:
      --admin='': project admin username
      --admin-role='admin': project admin role name in the master policy namespace
      --description='': project description
      --display-name='': project display name
      --master-policy-namespace='master': master policy namespace

Use "openshift ex --help" for a list of all commands available in openshift ex.
Use "openshift ex options" for a list of global command-line options (applies to all commands).

Note this points to openshift ex options which doesn't really exist.

$ openshift ex options
The commands grouped here are under development and may change without notice.

Available Commands: 
  new-project   create a new project
  tokens        manage authentication tokens
  policy        Manage authorization policy
  generate      Generates an application configuration from a source repository
  router        Install and check OpenShift routers
  registry      Install and check OpenShift Docker registry
  build-chain   Output build dependencies of a specific image repository
  bundle-secret Bundle files (or files within directories) into a Kubernetes secret

Use "openshift ex <command> --help" for more information about a given command.

[fabianofranz]

Fixed in #1823