[python-oslo-messaging/el6] (3 commits) ...Merge branch 'master' into el6

[Pádraig Brady]

Summary of changes:

  abcdb8b... add dependencies on python-kombu and python-qpid (*)
  e7d6169... add a dependency on PyYAML (*)
  fe29ae4... Merge branch 'master' into el6

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