title: Magento admin menu link stopped working after upgrade
body: <p>Before upgradation to <code>EE v1.12.0.2</code>, we were running <code>v1.10.1.1</code>, at which point this code works fine to add an external link to the menu.</p>
  
  <pre><code>&lt;?xml version="1.0"?&gt;
  &lt;config&gt;
      &lt;modules&gt;
          &lt;Clean_Integration&gt;
              &lt;version&gt;1.0.0&lt;/version&gt;
          &lt;/Clean_Integration&gt;
      &lt;/modules&gt;
      &lt;global&gt;
          &lt;models&gt;
              &lt;customer&gt;
                  &lt;rewrite&gt;
                      &lt;customer_api&gt;Clean_Integration_Model_Customer_Customer_Api&lt;/customer_api&gt;
                  &lt;/rewrite&gt;
              &lt;/customer&gt;
          &lt;/models&gt;
          &lt;helpers&gt;
              &lt;coaching&gt;
                  &lt;class&gt;Clean_Integration_Helper&lt;/class&gt;
              &lt;/coaching&gt;
          &lt;/helpers&gt;
      &lt;/global&gt;
      &lt;frontend&gt;
          &lt;layout&gt;
              &lt;updates&gt;
                  &lt;Clean_Integration module="Clean_Integration"&gt;
                      &lt;file&gt;cleanintegration.xml&lt;/file&gt;
                  &lt;/Clean_Integration&gt;
              &lt;/updates&gt;
          &lt;/layout&gt;
      &lt;/frontend&gt;
      &lt;adminhtml&gt;
          &lt;menu&gt;
              &lt;coaching translate="title" module="Integration"&gt;
                  &lt;title&gt;Coaching&lt;/title&gt;
                  &lt;sort_order&gt;71&lt;/sort_order&gt;
                  &lt;url&gt;/appointments/sync/backend/&lt;/url&gt;
              &lt;/coaching&gt;
          &lt;/menu&gt;
          &lt;acl&gt;
              &lt;resources&gt;
                  &lt;admin&gt;
                      &lt;children&gt;
                          &lt;coaching translate="title"&gt;
                              &lt;title&gt;Coaching&lt;/title&gt;
                          &lt;/coaching&gt;
                      &lt;/children&gt;
                  &lt;/admin&gt;
              &lt;/resources&gt;
          &lt;/acl&gt;
      &lt;/adminhtml&gt;
  &lt;/config&gt;
  </code></pre>
  
  <p>We had a link like <code>domain.com/appointments/sync/backend/</code> with this but now with upgrade the menu entry appears but its not a link anymore. So, I am guessing something was changed in Magento which breaks this, any ideas?</p>