[Intl] Refactored Locale component into two new components Icu and Intl
[Locale] Added default locale
[Locale] Adapted to latest Intl changes
[Locale] Fixed failing tests
[Locale] Improved tests to use the IntlTestHelper class
[Intl] Moved stub data to Icu component 1.0.x
[Locale] Removed "Stub" prefixes in Intl component