message: Addresses babel config in package.json. If we don't find .babelrc or .babelrc.js we look for babel config in package.json
diff: @@ -20,6 +20,8 @@ const path = require('path');
  const BABELRC_FILENAME = '.babelrc';
  const BABELRC_JS_FILENAME = '.babelrc.js';
  +const BABEL_CONFIG_KEY = 'babel';
  +const PACAKAGE_JSON = 'package.json';
  const THIS_FILE = fs.readFileSync(__filename);
  const cache = Object.create(null);
  @@ -46,6 +48,15 @@ const getBabelRC = (filename, {useCache}) => {
  cache[directory] = JSON.stringify(require(configJsFilePath));
  break;
  }
  + const packageJsonFilePath = path.join(directory, PACAKAGE_JSON);
  + if (fs.existsSync(packageJsonFilePath)) {
  + // $FlowFixMe
  + const packageJsonFileContents = require(packageJsonFilePath);
  + if (packageJsonFileContents[BABEL_CONFIG_KEY]) {
  + cache[directory] = JSON.stringify(packageJsonFileContents[BABEL_CONFIG_KEY]);
  + break;
  + }
  + }
  }
  paths.forEach(directoryPath => {
  cache[directoryPath] = cache[directory];
  