Code samples for Swiftv2.1

What changed

• UXThree screens were completely rewritten
• ContentAdded new code examples
• ComplianceEnsured compliance with Apple requirements
• PerformanceFixed various bugs

Original release notes

Полностью переписаны 3 экрана;
Добавлены новые примеры;
Соблюдены требования Apple;
Исправлены ошибки;