message: WIP: Temporarily disabling CSS extraction in prod build.
  This is causing our stylesheets to be applied before those loaded by
  required modules, which is inconsistent with the dev build.
diff: @@ -359,7 +359,7 @@ module.exports = {
  }),
  // Note: this won't work without ExtractTextPlugin.extract(..) in `loaders`.
  new ExtractTextPlugin({
  - filename: cssFilename,
  + filename: cssFilename, disable: true // WIP: ExtractTextPlugin causes some of our CSS to be loaded too early...
  }),
  // Generate a manifest file which contains a mapping of all asset filenames
  // to their corresponding output file so that tools can pick it up without
  