adding message_job and updating aggregator and gempspec
Fixing requirements in tests and in event_aggregator.rb
Fixing up some un-ruby-like behaviour. Adding async and consistent_data to the message_publish. This helps combad possible deadlocks.
Adding some tests to the aggregatro related to the message_publish's consistent_data parameter.
Reviewing and removing todos.
Adding a lot to the readme. Updating documentation in message and aggregator.