Title: #128: Fix group renaming issue when "id_provider = ldap" is set
@jhrozek, I've updated the branch. Your tests are solid now.
I've added "Reviewed-by: Fabiano Fidêncio ..." in your patches.
Now we're just waiting for the results of downstream tests to be sure that the latest
patch in this series is not going to break something else.
See the full comment at https://github.com/SSSD/sssd/pull/128#issuecomment-381908618