[redis/f18] (5 commits) ...Update to 2.6.16

[Fabian Deutsch]

Summary of changes:

  6520404... RM has gperftools (*)
  1211652... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  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