update the generated doc

Author: dbu

doc/html-all/index.html

@@ -37,6 +37,12 @@ <h2>Basic Workflow</h2>
     echo $node-&gt;getPropertyValue('prop');
     </pre>
       <br clear="all" />
+      <h2>PHPCR-Utils</h2>
+      <p>Note that the classes in the namespace <tt>PHPCR\Util</tt> are not part of the PHPCR standard but provided to cover
+        common use cases of PHPCR implementations and client applications. The utils are implementation neutral.<br />
+        Jackalope and Doctrine PHPCR-ODM use them, but
+        other implementations might not. You can simply require phpcr/phpcr-utils in your projects composer.json file to be sure to have them.
+    </p>
       <h2>License</h2>
       <p>
         PHPCR and this documentation are available under the