GWT + Roo + MySQL: Special & Cyrillic characters in UTF8

Defaut app generated by Roo persisting special & Cyrillic characters not correctly, as '???'. To fix that, update generated database.properties file:

database.url=jdbc\:mysql\://localhost\:3306/[YOUR_DB_NAME]?autoReconnect\=true&useUnicode\=true&characterEncoding\=UTF-8