* es2015 bundle with dependencies via npm script build:es:bundle
* es2015 bundle without dependencies via npm script build:es:bundle
* jest dependency for test:artifact
* migrate babel.config.json to babel.config.js and maintain env support for commonjs and es2015
* remove polyfill
* fix es syntax: replace module.exports with export
* fix es syntax: remove .jsx extension inside import
* add duplicate code detection check for general purpose use
* webpack alias for lodash
* redux and react-redux dependency bump that removes lodash dependencies
* lodash version match with swagger-client and recent security update
* additional webpack config to help reduce build sizes
* restore max bundle size back to 1024000
As versions of libraries that are both used by swagger-js and swagger-ui
may diverge in time, we must use webpack resolve aliases to make sure
that only one version of these libraries gets bundled.
