[uwsgi] (4 commits) ...Adding -plugin-ring

[Jorge A Gallegos]

Summary of changes:

  03999d7... Adding -log-encoder-msgpack (*)
  1069df7... Adding -plugin-pty (*)
  dd8695b... Adding -plugin-rbthreads (*)
  86e3ed1... Adding -plugin-ring (*)

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