Hide 'Submit Post' if user is not logged in
Use a Meteor method to submit a post
Add edit posts form
Add basci permission to check the post's owner
Only allow changing certain fields of posts.
Add basic reporting error
Add comments collection
Add more fixture data
Add pub/sub for comments
Display comments on postPage
Created a form to submit comments.
Change the comments publication only to a specific post
Denormalized the number of comments into the post.