[SSSD] [sssd PR#128][comment] Fix group renaming issue when "id_provider = ldap" is set

[fidencio]

URL: https://github.com/SSSD/sssd/pull/128
Title: #128: Fix group renaming issue when "id_provider = ldap" is set

fidencio commented:
"""
I've squashed your patches into mines and updated the PR.

My ask for help still stand: https://github.com/SSSD/sssd/pull/128#issuecomment-373748289 and on https://github.com/SSSD/sssd/pull/128#issuecomment-378175540
"""

See the full comment at https://github.com/SSSD/sssd/pull/128#issuecomment-379761968