[python-pbr/el6] (4 commits) ...update to 0.5.19

[Matthias Runge]

Summary of changes:

  eb026da... update to 0.5.14 (rhbz 971736) (*)
  37c09a1... update to 0.5.16 (*)
  45bd1a0... Update to pbr-0.5.17 (rhbz#976026) (*)
  6944a09... update to 0.5.19 (*)

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