[thunderbird/f19] (9 commits) ...Update to 31.1

[Jan Horak]

Summary of changes:

  d99ecfb... Fixed nss version for epel (*)
  d783023... Fixed nss version for epel (*)
  8134219... Fixed nss version again (*)
  705b2a1... Fixed apply of nss patch (*)
  c78a1d4... Merge branch 'master' into epel7 (*)
  f742b49... Build with system FFI as per firefox/xulrunner (fixes aarch (*)
  fa5b510... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  5eb22da... ppc64 patch 304 got removed and isn't required anymore (moz (*)
  d5a9f84... Update to 31.1 (*)

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