title: Yeoman error when running yo webapp
body: <p>Running the latest of npm and node and I've checked to make sure their ownership privileges are correct, any ideas?</p>
  
  <pre><code>TypeError: Cannot read property 'bold' of undefined
      at Object.&lt;anonymous&gt; (/usr/local/lib/node_modules/generator-webapp/node_modules/yeoman-generator/lib/util/common.js:5:56)
      at Module._compile (module.js:456:26)
      at Object.Module._extensions..js (module.js:474:10)
      at Module.load (module.js:356:32)
      at Function.Module._load (module.js:312:12)
      at Module.require (module.js:364:17)
      at require (module.js:380:17)
      at Object.&lt;anonymous&gt; (/usr/local/lib/node_modules/generator-webapp/node_modules/yeoman-generator/lib/base.js:101:26)
      at Module._compile (module.js:456:26)
      at Object.Module._extensions..js (module.js:474:10)
  </code></pre>