Request-based Renderer Example

Closes #54
Basic config.ru
env.rb
Gemfile
Development env.yaml
Added Broker module for creating instance
Dynamic URL locator (using DynamoDB)
Extract location from Dynamo query results
Amend method name
Double quotes
Setup Dynamo alephant-harness
Add test_component record in rake harness job
Use routing hash as Dynamo key
Bring branch up-to-date w/ master