[redis/f20] (3 commits) ...Update to 2.6.16

[Fabian Deutsch]

Summary of changes:

  9b1da96... Drop PIDFile line from .service (*)
  0a73e94... Update changelog and add %ghost directive (*)
  f98ff92... Update to 2.6.16 (*)

(*) This commit already existed in another branch; no separate mail sent