title: Error: "compass:dist" Fatal error: spawn /usr/bin/compass ENOENT
body: <p>Guys, I'm generating build my application with the grunt, it uses the compass.
  I set some variables:</p>
  
  <pre><code>export GEM_PATH =/usr/local/rvm/gems/ruby-2.1.2:/usr/local/rvm/gems/ruby-2.1.2@global
  export PATH=$PATH:/usr/local/rvm/gems/ruby-2.1.2/bin
  export PATH=$PATH:/usr/local/rvm/rubies/ruby-2.1.2/bin;
  export PATH=$PATH:$GEM_PATH;
  export PATH=$PATH:node_modules/grunt-cli/bin;
  </code></pre>
  
  <p>and perform the build grunt.
  The following Fatal error is :</p>
  
  <p>4mRunning "compass:dist" (compass) task[24m
  31mFatal error: spawn /usr/bin/compass ENOENT[39m</p>
  
  <p>Could someone help me with this problem?</p>
  
  <p>Thank</p>