title: NoMethodError: undefined method `new' for #<Grease::Adapter(Less::Rails::ImportProcessor)
body: <p>I have a strange error in my rails project. I use ruby 2.1.1@rails4.1.1 and recently added a gem "tinymce-rails". </p>
  
  <p>Everything was working fine until this gem was added. I can't turn on my server in development mode nor production. </p>
  
  <p>The error is: </p>
  
  <pre><code>NoMethodError: undefined method `new' for #&lt;Grease::Adapter(Less::Rails::ImportProcessor):0x0000000702fce0&gt;
    (in /mnt/c/repo/intratur/app/assets/stylesheets/application.css)
  </code></pre>
  
  <p>Please help me!, I don't what to do!</p>