Merge branch 'feature/123_add_platidoma_payment_system' into develop

Conflicts:
	Gemfile.lock
	app/views/layouts/web/shared/_navbar.html.haml
	app/views/web/accounts/_form.html.haml
	app/views/web/admin/halls/_slot_fields.html.haml
	app/views/web/admin/lectures/index.html.haml
	app/views/web/admin/users/_form.html.haml
	config/locales/activerecord.yml
	config/locales/ru.yml
	config/routes.rb
	db/schema.rb
	test/factories/sequences.rb
	test/functional/web/admin/orders_controller_test.rb
move afterparty menu link