[Intl] Improved test coverage of BinaryBundleReader
[Intl] Improved exception formatting in transformation scripts
[Intl] StructuredBundleReader now catches NoSuchLocaleExceptions and continues at fallback locale (unless disabled)
[Intl] Changed LocaleBundleTransformationRule to generate a root.res file to enable proper locale fallback
[Intl] Improved error messages in BinaryBundleReader
[Intl] Changed AbstractEntry::readEntry() to fallback by default
[Intl] Added period to exception message in RecursiveArrayAccess
[Intl] Renamed BundleCompiler to GenrbBundleCompiler
[Intl] Added missing entries to the UPGRADE file
[Intl] Renamed StructuredBundleReader[Interface] to BundleEntryReader[Interface]
[Intl] Added integration tests to check the resource bundles
[Intl] Fixed TextBundleWriter to escape keys that contain colons (":")
[Intl] Fixed transformation rules not to generate files in the source data directories
[Intl] Fixed TextBundleWriter to escape keys with spaces (" ")