Add Unicorn
List Topics Specifications

* Two specs, one passing, one pending
* Need to implement CreateTopic service
CreateTopic

* Service to create a topic and add a generated uuid
* Migration for Topic
* Model for Topic
List Topics Feature Complete

* Added Read system in repositories
* TODO: Expand read system to allow point in time reads
* Added topics index action
* TODO: Expand topics index action to allow filtering/sorting
Accidentally set a unique index on uuid. Removed
Fix require order issues. Switching to cumbersome until a better solution.
Clean up requires and spec_helpers
Fix schema.rb
Switch to autoload
Clean Up

* Use rails_spec_harness
* Use attr_defaultable
* Rename IndexAction to DisplayTopics
* General smaller clean up items
Merge pull request #2 from alexpeachey/feature/view_topic_list

Feature/view topic list