title: No description,No repository field,No readme data warning in time of installing Mocha
body: <p>I am getting this warning at the time of installing mocha in ubuntu</p>
  
  <pre><code>npm WARN package.json @ No description
  npm WARN package.json @ No repository field.
  npm WARN package.json @ No README data
  </code></pre>
  
  <p>my node version is v0.10.33 and npm version is 1.4.28</p>
  
  <p>I install mocha using :npm install mocha</p>
  
  <p>and also getting error when test a code in node.js</p>
  
  <pre><code>ReferenceError: describe is not defined
  </code></pre>
  
  <p>how to resolve this error</p>