Update cookbooks to use oslo.messaging queue config approach.
Bump version of barbican cookbook; Clean up stale cookbook refs in the upload script.
Bump barbican cookbook version again; Merge with Sig's changes
Enable queuing by default in the barbican cookbook
Merge pull request #24 from jfwood/master

Update barbican cookbook to the latest way to configure queuing (after olso.messaging was added and celery was removed).