Implemented posts on user and tutorial show pages, also added authentication in respective controllers
Merge remote-tracking branch 'upstream/master'

Conflicts:
	app/controllers/tutorials_controller.rb
	app/views/tutorials/_form.html.erb
	config/routes.rb
	db/schema.rb
Merge pull request #4 from Bazay/master

Implemented posts on user and tutorial show pages, also added authentication in respective controllers