Authorization: Part II
 Changes to be committed:
	modified:   app/controllers/application_controller.rb
	modified:   app/controllers/sessions_controller.rb
	modified:   app/controllers/users_controller.rb
	modified:   app/views/users/show.html.erb
	modified:   db/development.sqlite3
	modified:   log/development.log
	modified:   log/test.log
	modified:   spec/controllers/users_controller_spec.rb
	modified:   spec/features/sign_in_spec.rb