Outdated Dependencies

[ynigoreyes]

There are some problems with the tooling now that we have split everything up.

• [x] node-sass -> node-sass-chokidar
• [x] karma -> jest
• [x] loglevel & winston -> debug
• [x] react 15 -> react 16
• [x] react-router minor updates
• [x] es-node
• [ ] webpack 2 -> webpack 4

[ynigoreyes]

New development environment with CRA