config about cache_store
create directories for models
Create correct request and result models.
add correct view model. Don't use migration because we use view and foreign_key. Use raw SQL file.
define correct request status.
fix for unit test.
change index page words and check to pass 'RAILS_ENV=test bundle exec rake test'.
add validations and tests for correct models.
reset db before test
add assign model.
We can assign correct request to a corrector via web page. Now, assigned corrector's id is dummy. Test fixture system don't work.
FactoryGirl was installed and use it in test.
We use factory girl in development env.