Add rspec.
Add writing model, controller, and routes.
Add haml to Gemfile and convert all views to haml.
Add writings#index view.
Generate mongoid config file.
Add index method in controller and add fields to Writing object.
Generate story_id.
Assign generate_story_id to self.story_id.
Configure tests for MongoDB.
Add tests for WritingsController.
Change writings#index to writings#new.
Add FactoryGirl.
Add test for writings#create.
Add method in WritingsController to make test pass.
Add test for presence of story_id.
Add simplecov gem to test for coverage.
Add coverage/ to .gitignore.
Add Faker gem to tests.
Add test for writings#show.
Add code to writings#show to make tests pass.