title: Error using rnpm
body: <p>After installing rnpm, I tried to use it to install a package</p>
  
  <pre><code>rnpm install react-native-in-app-utils
  </code></pre>
  
  <p>and received the following error message</p>
  
  <pre><code>/usr/local/lib/node_modules/rnpm/bin/cli:11
  updateNotifier({ pkg }).notify();
                       ^
  SyntaxError: Unexpected token }
  </code></pre>
  
  <p>How do I fix this?</p>