Update dependencies for Node.js (2017-12-03) (#5876)

* Update babel-plugin-lodash to version 3.3.2

* Update enzyme to version 3.2.0

* Update enzyme-adapter-react-16 to version 1.1.0

* Update intersection-observer to version 0.5.0

* Update intl-messageformat to version 2.2.0

* Update node-sass to version 4.7.2

* Update postcss-loader to version 2.0.9

* Update React to version 16.2.0

* Update react-textarea-autosize to version 5.2.1

* Update stringz to version 0.3.0

* Update webpack to version 3.9.1

* Update webpack-bundle-analyzer to version 2.9.1

* Update webpack-dev-server to version 2.9.5

* Update webpack-merge to version 4.1.1

* Update fsevents to version 1.1.3

* yarn upgrade