Move 'rake' to Gemfile top level.
Bundler load order in environment.rb.
Don't set Pebblebed host outside of development environment.
Follow config sample conventions.
Rename grovekey -> session_key.
Sleep when queue is empty.
Use a new Tootsie event name.
Update to new Tootsie event format.
Must ack ignored messages.
Work around DeepStruct bug.