[postfix/f15] (6 commits) ...Update to 2.8.7 Resolves: rhbz#751622

[Jaroslav Škarvada]

Summary of changes:

  4478dae... Hardened build, rebuilt with full relro (*)
  f908914... Enable override of hardened build settings (*)
  8013042... Update to 2.8.5 Resolves: rhbz#735543 (*)
  64877c0... Update to 2.8.6 Resolves: rhbz#748389 (*)
  90b2c2e... Update to 2.8.7 Resolves: rhbz#751622 (*)
  9f7a2b3... Update to 2.8.7 Resolves: rhbz#751622

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