Comment basic implementation with ancestry.
Merge branch 'create-post-layout' of github-personal:jussmedia/portfolio_website into create-post-layout

Conflicts:
	app/controllers/blog/comments_controller.rb
	app/models/blog/comment.rb
	app/views/blog/comments/_form.html.erb
	app/views/blog/comments/new.html.erb
	config/routes.rb