[SSSD] [sssd PR#106][synchronized] Add a new "files" provider

[fidencio]

   URL: https://github.com/SSSD/sssd/pull/106
Author: jhrozek
 Title: #106: Add a new "files" provider
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/106/head:pr106
git checkout pr106