[SSSD] [sssd PR#416][opened] NSS: Memcache timeout equals zero

[mzidek-rh]

   URL: https://github.com/SSSD/sssd/pull/416
Author: mzidek-rh
 Title: #416: NSS: Memcache timeout equals zero
Action: opened

PR body:
"""
Hi,
these patches add new semantics to the memcache_timeout=0.
From users perspective there is basically no change, but with value 0 the memcache files
are not created.
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/416/head:pr416
git checkout pr416