User can view articles

- Created and migrated database
- Created a factory for articles
- Created model, controller, index view
- Created root path in routes.rb
Modify test: User can view articles

- Add created_at
User can create an article
Add validation spec for article model
Add unsuccessful scenario to user_creates_article
Add feature "User clicks urls"
Renamed "user_creates_article"...

...to "user_creates_article_spec"
Move link into the Title rather than url itself

- Removed urls from feature specs and index.html.erb
User can add and view comments
User can log in

- generated devise User model and migrated
- added login and sign up links to layout
User authentication on comments and articles
Add user reference to Articles and Comments in db
Add Votes table with polymorphic association...

...to Comments and Articles
Add Users to seed data
Add SessionHelpers
Change "Sign in" to "Login" in session helper
Update feature spec user_creates_articles.rb
Modify the Create action in articles_controller

- Ensure articles are being attached to Users upon save
Add User email to comments view
Modify create action in comments_controller

- Ensure comments are getting saves with user ids