title: SonataAdminBundle - how to customize admin navbar
body: <p>I have installed <code>symfony 2.2</code> and <code>SonataAdminBundle</code> .The NavBar for products is looking like this :</p>
  
  <pre><code>Dashboard / Product List /{companyName}\{bundleName}\Entity\Product:0000000012fbfd4c00000000c6c10493
  </code></pre>
  
  <p>And I want it to look like this:</p>
  
  <pre><code>Dashboard / Product List /{Productname}
  </code></pre>