Specify instance variable in joke controller show action
Merge branch 'true-false-question-model'
Add spork gem
Remove destroy route in joke model
Eliminate all routes except index and show for jokes. Refactor tests.
Add seeds for jokes
Eliminate joke that does not make sense. Refactor routes.
Add .enf to .gitignore
Add unicorn via Procfile
Add seeds for true false questions
Add index and show actions for true false questions