added a comments model; comments are created via jax; comments feed is updated via ajax
comment form can be added through a link under the post
users can like posts
added likes to seeded data
user show page acts similar to the main page; post form uses ajax call
minor styling changes
suggested friendships now do not include those friends that were requested by a user
minor changes
minor css changes
added a pop up window on hover on likes destroy
styling changes
styled the main front page
styling changes
used friendly id for urls
minor styling
when user adds friends the right column gets updated for the current user only
updated seeded data
increased test coverage