Добавлены классы для определения первого запуска и вставлены настройки для указания языка
add VariableService to MainActivity;
clear all logic from PreferenceActivity;
remove not used ListAdapter (refactoring OptionsDialogFragment);
add logic to choice font size by telephone or tablets on first launch application
VariableService now can return variable by name

add CompatibilityUtil class who can make many differences goodies
add Utils class who can make many differences goodies with objects

change default language from Russian to English