[SSSD] [sssd PR#181][comment] README.md: Point to our releases on pagure

[fidencio]

URL: https://github.com/SSSD/sssd/pull/181
Title: #181: README.md: Point to our releases on pagure

fidencio commented:
"""
Ack!
"""

See the full comment at https://github.com/SSSD/sssd/pull/181#issuecomment-284357023