Refactored API endpoints
Simplify creation / finding of resources
Refactor polymorphic relationships
Refactor vote creation
Rename '/current_user' endpoints to '/account'
Don't allow deletion of votes
Fetch a user's posted articles
Return comments for users
Refactor fetching of association data
Fix up custom validations
Add a simple console
Add rspec config
Add endpoint to fetch logged-in user's "favorite" articles, automatically upvote posted articles