Fix a bug causing 'select' event to be called twice in CompactButtonSet
Fix a bug causing 'select' event to be called twice in CompactButtonSet

partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js,partridgejiang/Kekule.js