[bitlbee/f19] (4 commits) ...Add link to the upstream ticket.

[Matej Cepl]

Summary of changes:

  292f823... Add a conditional patch for F>=20 to build with libotr4 (*)
  1979579... systemd socket should be opened over IPv6 as well (#949303) (*)
  6e5091f... Merge branch 'master' of ssh://pkgs.fedoraproject.org/bitlb (*)
  b52b9a1... Add link to the upstream ticket. (*)

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