Adapted to new whiteliste username scheme, API 0.11.2
* 0.11 - 2016/05/28 - owagner/hobbyquaker - adapted to new 1.8.1+ API scheme of whitelist usernames being assigned by the bridge. The assigned username is stored using Java Preferences. The scheme should be compatible with already authorized hue2mqtt instances, which used a hardcoded username of "hue2mqttuser". - Hue API libraries updated to 0.11.2.