[SSSD] [sssd PR#906][synchronized] memcache: Stop using the word fastcache for memcache

[mzidek-rh]

   URL: https://github.com/SSSD/sssd/pull/906
Author: mzidek-rh
 Title: #906: memcache: Stop using the word fastcache for memcache
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/906/head:pr906
git checkout pr906