Revert "init"

This reverts commit 2d0a4274e26837737f7da9e59f2b3218eb743bec.

Conflicts:
	Gemfile
	Gemfile.lock
	app/views/comments/_comment.html.erb
	app/views/posts/edit.html.erb
	app/views/posts/index.html.erb
	app/views/posts/new.html.erb
	app/views/posts/show.html.erb
	app/views/welcome/index.html.erb
	config/database.yml
	config/routes.rb