Removed unnecessary gems
Added polling script and readme
Poller now creates a Sidekiq job for each message
Started Messenger library to handle listening on a queue and doing work with those messages
Added Sidekiq worker to create jobs from sqs messages. Cleaned up listner and sqs_listener
Cleaned up sidekiq worker
Moved default listener/worker out into initializer
Added rake task messenger:listen
Removed redundant default parameter check
Add configure ability to messenger
Fixed up Messenger and SqsWorker config
Updated readme, added defaults for SQSListener to initializer
Fixes based on Chris' review
Merge pull request #1 from unbounce/lp-5023-sqs-poll

Add polling script