Fixed EBox::Users::LdapObject::canonicalName to propagate the flag to get or ignore the root's namedContext canonical name
The Zarafa's internal OUs should not be replicated to Samba.
Fixed s4sync to ignore all sub-OUs for a set of OUs so those tree branches are not synced with samba or deleted from OpenLDAP by mistake
Fix Samba provisioning when joining an existing Windows server.
Merge pull request #518 from Zentyal/cperello/mail-ou-fixes

Cperello/mail ou fixes