[SSSD] [sssd PR#582][synchronized] ipa: MPG realted fixes for lookups by GID

[sumit-bose]

   URL: https://github.com/SSSD/sssd/pull/582
Author: sumit-bose
 Title: #582: ipa: MPG realted fixes for lookups by GID
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/582/head:pr582
git checkout pr582