Comprehensive re-write of the classicupgrade HowTo and other changes

[Jakub Hrozek]

On Thu, 2014-05-29 at 22:52 +0200, steve wrote:
> Thanks.
> We still object to:
> '. . .if your domain was provisioned with the --rfc2307 option . .'
> Repeat, you do not need to provision with --rfc2307 option. The default
> schema already allows for rfc2307 and so sssd works perfectly well
> without it. All the necessary posix attributes can be managed with
> samba-tool, ldbedit or ldbmodify. You may wish to add that provisioning
> with --rfc2307 is necessary only should you wish to manage said from
> ADUC.
> Steve
> 

Does this sentence sound better to you?

https://wiki.samba.org/index.php?title=Local_user_management_and_authentication%2Fsssd&diff=8913&oldid=8912

(I believe there was a mid-air collision between me implementing
Rowland' corrections and someone else correcting the RFC2307 details,
hope I didn't remove any content)