[pen/f20] (6 commits) ...Redundant changelog removed.

[Christopher Meng]

Summary of changes:

  bdc430b... Add a patch for gcc format security check enabled since F21 (*)
  5508489... Correct the syntax of snprintf() (*)
  4591c7d... Update to 0.22.1 (*)
  adcf6f1... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass (*)
  8584e5f... Update to 0.23.0 (*)
  a3c73f9... Redundant changelog removed.

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