title: Lodash module not found + webpack
body: <p>I try use the library ladash but I´m getting the next error:</p>
  
  <pre><code>Module not found: Error: Can't resolve 'lodash' in
  </code></pre>
  
  <p>I import the library as: </p>
  
  <pre><code>import _ from 'lodash';
  </code></pre>
  
  <p>This is the webpack config:</p>
  
  <pre><code>{
    loader: 'babel-loader',
    test: /\.js$/,
    exclude: /node_modules/,
    options: {
       plugins: ['lodash'],
       presets: [['env', { modules: false, targets: { node: 4 } }]]
    }
  }
  
  ......
  ......
  plugins: [
     new LodashModuleReplacementPlugin,
     new webpack.optimize.UglifyJsPlugin
  ]
  </code></pre>
  
  <p>and this is my package json dependencies:</p>
  
  <p><a href="https://i.stack.imgur.com/wgXb7.png" rel="noreferrer"><img src="https://i.stack.imgur.com/wgXb7.png" alt="enter image description here"></a></p>