Added acts_as_votable gem to assist with the rating system
Attached the acts_as_votable to the post/replies/users. Also added two actions to the post controller, (upvote, downvote) and added the routes
Added some minor styling to the posts#index
Modified the pluralize functions to accomodate the new voting system
Added some upvote/downvote buttons and added the # of likes and dislikes to a specific post