Description of problem:
The syntax mentioned is 

engine-manage-domains -action=ACTION [options]

But when trying to perform action, it gives error:

-action=<any_action> is not a valid action.


Version-Release number of selected component (if applicable):
rhevm-3.4.3-1.2.el6ev.noarch

How reproducible:
always

Steps to Reproduce:
1. Install rhevm 3.4 
2. try to add domain with command as provided syntax in document.
3. error will be displayed.

Actual results:
 # rhevm-manage-domains -action=add --domain='<domain.com>' --user='<user_name>'  --provider=ad
   -action=add is not a valid action.

 # rhevm-manage-domains -action=delete --domain=<domain.com> --user='<user_name>'  --provider=ad         
  -action=delete is not a valid action.


Expected results:

Successfully deleted domain <domain>. Please remove all users and groups of this domain using the Administration portal or the API. oVirt Engine restart is required in order for the changes to take place (service ovirt-engine restart).
Manage Domains completed successfully


The domain <domain> has been added to the engine as an authentication source but no users from that domain have been granted permissions within the oVirt Manager.
Users from this domain can be granted permissions by editing the domain using action edit and specifying --add-permissions or from the Web administration interface logging in as admin@internal user.
oVirt Engine restart is required in order for the changes to take place (service ovirt-engine restart).
Manage Domains completed successfully


Additional info: