RFC/WIP: NTLMSSP passthrough + user at realm credentials

[Jeremy Allison]

On Fri, Oct 21, 2016 at 04:12:53PM +0200, Stefan Metzmacher wrote:
> 
> Andreas and I are working on related things for the client side
> in order to be able to create tests.
> 
> The first step is to password the relevant details from the
> command line to the gensec layer.
> 
> As a start I've made 'struct user_auth_info' private,
> this will hopefully allow us to use cli_credentials internally
> in struct user_auth_info.
> 
> Please review and push.

Really nice cleanup of the interface - thanks !

Pushed.