Create posts factory, inject into controller
Install ui-router
Add home state routing and move to inline template
Add logic for posts to show comments
Add functionality to create new comments
Integrate express / node.js
Integrate mongoose and add Post and Comment models
Fix model require order in app.js
Add routes to view posts and create a post
Add ability to retrieve post by ID
Add ability to upvote posts
Add ability to create and upvote comments
Load posts from backend to frontend
Create new posts on backend, show on frontend
Upvote post on backend, show on frontend
Add comments and upvote