Make model tests for link
Make commentable model
Make links commentable in model
Make ability to create comments
Show comments on link#show page
Add title to link
Make a title mandatory for links
Make title appear in Links#index
Show title and hyperlink to link on Links#show
Make delete button for comments show on page
Make ability to delete comments
Sort links according to their vote_tally
Make bootstrap navbar top
Refactor navbar into partials
Only highlight "all news" in navbar if at links#index
Add glyphicon to go to linked page from index
Put flash alerts below navbar
Remove table tags
Make upvote and downvote take you back to the current page
Use glyphicons for upvoting and downvoting