title: I can' load my vendor in the symfony app kernel
body: <p>i have created a vendor on github, and make it in packagist, load this in composer successfully, and perfectly installed in my vendor/company/nameBundle/ , but now i need to load it on the app/AppKernel.php of symfony, but it return me a 404 not found, this class does not exist</p>
  
  <p>on my composer.json</p>
  
  <pre><code>"require": {
      "agazzi/rest-client-authenticator": "1.0.*"
  }
  </code></pre>
  
  <p>this part is good</p>
  
  <p>composer.json of my packagist Bundle</p>
  
  <pre><code>{
      "name" : "agazzi/rest-client-authenticator",
      "description" : "API restfull json authenticator client",
      "keywords": ["package", "composer"],
      "homepage": "http://v*****s.com/",
      "type": "library",
      "license": "MIT",
      "authors": [
          {
              "name": "W*****m R****t",
              "email": "w******.*****t@******.com",
              "homepage": "http://v*****s.com"
          }
      ],
      "support": {
            "email": "contact@packagist.org"
      },
      "autoload": {
          "psr-4": { "Agazzi\\RestClientAuthenticatorBundle\\": "" }
      }
  }
  </code></pre>
  
  <p>And my AppKernel.php</p>
  
  <pre><code>$bundles = array( 
      new Agazzi\RestClientAuthenticatorBundle\AgazziRestClientAuthenticatorBundle()
  );
  </code></pre>
  
  <p>Any idea ?</p>
  
  <p>Regards</p>