title: Atom linter does not work
body: <p>I am trying to install atom linter following this steps:</p>
  
  <pre><code>apm install linter
  </code></pre>
  
  <p>Then install this packages:</p>
  
  <pre><code>apm install linter-jshint
  apm install linter-eslint
  </code></pre>
  
  <p>But I can't see the warning and the errors when I am using the editor.
  What am I missing?</p>