index view will not show new post button unless user is logged in
moved authorization checks to new and edit methods so users cannot view those forms unless they are authorized
added comments table
added comments model
modified post model to have comments
modified users model to have comments
updated schema with comments
fixed post tests to work with redone post controller
added comments spec with new test
added comments controller
added factory for comment
added comments views
added route to new comment form
fixed new method
fixed test
added methods
changed new view to accept post and comment
created nested routing for posts and comments
added comment button for posts
no longer allows null fields