Update deps, add deps for Redux and routing (react-redux, react-router, react-router-redux),  and asynchronic actions (redux-saga).
Update deps, add deps for Redux and routing (react-redux, react-router, react-router-redux),  and asynchronic actions (redux-saga).

Because Saga uses generators, add support for GeneratorFunction (function*, yield, yield*): babel-preset-stage-0, babel-regenerator-runtime, babel-runtime, babel-eslint

Add cross-platform environment variable support via cross-env.

Correct "license" to point to SPDX license identifier.

Kitanotori/react-webpack-babel-hotreload-example,Kitanotori/react-webpack-babel-hotreload-example