mod a/a/j/t/posts/new.handlebars - add ids= post-title, post-body & create-post
mod a/a/j/t/post/index.handlebars - add addComment btm & id= add-comment
mod a/a/j/c/posts/posts_controller.js.coffee
mod a/a/j/router.js.coffee
mod a/a/j/models/comment.js.coffee
mod a/a/j/models/post.js.coffee
mod a/a/j/t/post_handlebars, a/a/j/t/comments/new.handlebars & a/a/j/c/comments/comments_new_controller.js.coffee