add some vote safety into the votes model and generalize it so it can be used for comments in the future
only allow comments and news items as possible vote targets
add a comments model
add a method for showing a single news item on a page
pull comments for a news item too
add the show view for the comments view
change the old user news route to a comments route
forgot to change some names during refactor
require Comment...
add commenting box
add method for posting a comment
style comments a little bit, still ugly as sin.
specify itemType when getting votes on news stories
more inviting link title
fix querying for votes that don't have an itemType
fix a couple lingering old names, and remove console.logs
add supporting information from a news item onto the comments page