license
・Jpg.js
Copyright (C) 2011 notmasteryet
https://github.com/notmasteryet/jpgjs/blob/master/LICENSE
・pako
Copyright (C) 2014-2017 by Vitaly Puzrin and Andrei Tuputcyn
https://github.com/nodeca/pako/blob/master/LICENSE
・firebase
https://github.com/firebase/firebase-js-sdk/blob/firebase%407.5.2/LICENSE
・CocosCreator
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
https://github.com/cocos-creator/engine/blob/master/licenses/LICENSE
・universal-ga
Copyright (c) 2015 Daxko
https://github.com/daxko/universal-ga/blob/master/license
・socket.io-client
Copyright (c) 2014 Guillermo Rauch
https://github.com/socketio/socket.io-client/blob/master/LICENSE