Refactoring: tracks of tajik code :)
Added checking of page addresses.
Refactoring.
Refactoring.
Changed readme.
Fixed issue when address / showed err 403. Now it redurects to /test. All jetty dependencies set to the same version.
Полное ДЗ № 3. Добавлены: ThreadPool, ExtThread, ExtRunnable. Модифицирован под многопоточность Frontend.