Documentation updates

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@349850 13f79535-47bb-0310-9956-ffa450edef68

artifact/xdocs/navigation.xml

@@ -38,7 +38,7 @@
       <item name="Examples" href="/examples.html"/>
       <item name="Supported Protocols" href="/protocols.html"/>
       <item name="Security Considerations" href="/security.html"/>
-      <item name="Key-based Authentication" href="/authentication.html"/>
+      <!--<item name="Key-based Authentication" href="/authentication.html"/>-->
     </menu>
   </body>
 </project>