Made publication/subscription for comments
Fix stuff, renormalize number of comments in post
Add notifications collection
Add functionality to notifications collection

Display notifications in header
Don't publish the whole Notification collection

Just publish the Notifications for each user to the client side Mongo
collection
postsList route now takes a limit
Refactor postsList route into a controller
Add pagination

Also add workaround for really weird reference bug by accessing Posts
collection directly using ‘find’ as a cursor, instead of by ‘this’
reference. Very confused about this, added comment in router.js to
reflect this
Subscribe to single post

Add progress bar
Change fixture data to include upvote fields
Better upvoting algorithm
Change class in header so buttons appear pressed
Add animation when upvoting
Add class 'post invisible' to improve animation