add user mail controller
refactoring mailer and session controller
refactoring session controller
add confirm registration and refactoring session
add reset/remind user  password
refactoring and add mailtrap #47
change mailtrap config
Merge branch 'develop' of github.com:kaize/itc73 into feature/sing_up_fix_#49

Conflicts:
	app/controllers/web/sessions_controller.rb
	app/controllers/web/users_controller.rb
	app/models/user.rb
	app/views/layouts/web/application.html.haml
	config/locales/ru.yml
	config/routes.rb
	lib/auth_helper.rb
change staging server ip
refactoring and design fix
Merge branch 'staging' of github.com:kaize/itc73 into staging

Conflicts:
	app/controllers/web/sessions_controller.rb
	config/routes.rb
	lib/auth_helper.rb