[ceph/el6] (7 commits) ...Merge branch 'master' into el6

[branto]

Summary of changes:

  d184580... Add obsoletes to keep the upgrade path working (*)
  08b7207... Bump the Epoch, we need to keep the latest stable, not deve (*)
  5311ad2... Add the arm pthread hack (*)
  c81d313... - Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_M (*)
  a236dbb... Fix the date in changelog (*)
  830e99f... Use the proper version name in Obsoletes, the previous one  (*)
  b81df99... Merge branch 'master' into el6

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