CHANGELOG
=========
2.1.0
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* added Locale::getIntlIcuVersion(), Locale::getIntlIcuDataVersion(), Locale::getIcuDataVersion() and Locale::getIcuDataDirectory()
* renamed update-data.php to build-data.php, the script usage changed, now it is easier to update the ICU data
* updated the ICU data to the release 49.1.2