Re-enable user synchronisation with Zentyal Cloud
Merge branch 'jjgarcia/fix-real-users-count' into ejhernandez/re-enable-user-sync

Conflicts:
	main/samba/ChangeLog
Implement data in use for forms in JS
Fix ou vs. CN when uploading to ZC

As well as not uploading users without password
Manage krb5key transformations to/from unicodePwd and supplementalCredentials

Required to sync OpenLDAP and Samba LDB using kerberos.

It is also fix the synchronisation from ZC to server in some attributes
that have changed, the ou vs CN and not synching users without password.
Notify LDAP slaves on attribute modifications

This is a regression fix.

Doc fixes to help the final user.
ignoreSlaves attribute is used when create a new user again.
Remove TODO
Merge branch 'master' into ejhernandez/re-enable-user-sync

Conflicts:
	main/core/ChangeLog
	main/samba/ChangeLog
Fixing unit tests after changing the code
Merge pull request #1616 from Zentyal/ejhernandez/re-enable-user-sync

Re-enable and fix Zentyal Cloud User synchronisation