added css to comments, added a margin to comments to seperate from post
fixed br in _comment.html, added margin top to class, fixed some indentations on other pages
resized comment box and fixed sign up background color
Merge pull request #11 from DK-2K14/style-comments

added css to comments, added a margin to comments to seperate from post
beginning stages of upvotes
adding ability to upvote
Adding upvotes and downvotes

*adding downvotes controller, upvotes controller, votes model
*add display for count of votes
missed some files on the last commit
looking at ways to restrict access to voting