Results 4 issues of bahtou

Busboy is configured as: ``` const options = { headers, defCharset: 'utf8', limits: { fieldNameSize: 0, fieldSize: 0, fields: 0, fileSize: 10496000, files: 1, parts: 1, headerPairs: 2000 } };...

Are there any plans on adding an option to the loaders to point to a swcrc configuration file similar to how babel does it? https://babeljs.io/docs/en/options#configfile

covers [PR 140](https://github.com/gothinkster/react-redux-realworld-example-app/pull/140) covers [PR 142](https://github.com/gothinkster/react-redux-realworld-example-app/pull/142) covers [PR 95](https://github.com/gothinkster/react-redux-realworld-example-app/pull/95) covers [PR 68](https://github.com/gothinkster/react-redux-realworld-example-app/pull/68) will use this as a basis to update the rest of the package versions (react-router, redux etc). will...

based on [PR 144](https://github.com/gothinkster/react-redux-realworld-example-app/pull/144)