title: Error Transpiling Babel/React (Unknown Option)
body: <p>Getting the following error when trying to run webpack:
  Command: <code>webpack -d --watch</code></p>
  
  <p>.babelrc:</p>
  
  <pre><code>{
   "presets" : ["es2015", "react", "stage-2"],
   "plugins" : ["transform-flow-comments"]
  }
  </code></pre>
  
  <p>webpack config:</p>
  
  <pre><code>var webpack = require('webpack');
  var path = require('path');
  var FlowBabelWebpackPlugin = require('flow-babel-webpack-plugin');
  
  var config = {
    plugins: [
      new FlowBabelWebpackPlugin(),
    ],
    entry: ['./src/app'],
    output: {
      path: path.join(__dirname, 'dist'),
      filename: 'bundle.js',
  
    },
     module : {
      loaders : [
        {
          test: /\.css$/,
          loader: 'style!css?modules',
          include: /flexboxgrid/,
        },
        { 
          test: /\.js$/,
          loaders: ['babel'],
          include: path.join(__dirname, 'src'),
        },
        {
          test: /\.less$/,
          loader: "style-loader!css-loader!less-loader"
        }
      ]
    }
  };
  
  module.exports = config;
  
  ERROR in ./src/app.js
  Module build failed: ReferenceError: [BABEL] /Users/ user/gocode/src/github.com/natdm/mobilebid/frontend_v2/src/app.js: Unknown option: /Users/user/gocode/src/github.com/natdm/mobilebid/frontend_v2/node_modules/react/react.js.Children. Check out http://babeljs.io/docs/usage/options/ for more information about options.
  
  A common cause of this error is the presence of a configuration options object without the corresponding preset name. Example:
  
  Invalid:
    `{ presets: [{option: value}] }`
  Valid:
    `{ presets: [['presetName', {option: value}]] }`
  </code></pre>
  
  <p>It's telling me I have invalid preset options, but I don't have any, and have never had any, and all of a sudden it's breaking. What do I have to update/change to get this to work?</p>