fixed URLs in plugin and user manager

For the new plugin repository, plugins should use a page named after their
class at wiki.splitbrain.org

darcs-hash:20071013191842-7ad00-0580762663329d4f21e6996748117987438c953f.gz

lib/plugins/plugin/admin.php

@@ -60,7 +60,7 @@ class admin_plugin_plugin extends DokuWiki_Admin_Plugin {
         'date'   => '2005-08-10',
         'name'   => 'Plugin Manager',
         'desc'   => "Manage Plugins, including automated plugin installer $disabled",
-        'url'    => 'http://wiki.splitbrain.org/plugin:adminplugin',
+        'url'    => 'http://wiki.splitbrain.org/plugin:plugin',
       );
     }
 

lib/plugins/usermanager/admin.php

@@ -64,7 +64,7 @@ class admin_plugin_usermanager extends DokuWiki_Admin_Plugin {
             'date'   => '2005-11-24',
             'name'   => 'User Manager',
             'desc'   => 'Manage users '.$this->disabled,
-            'url'    => 'http://wiki.splitbrain.org/plugin:user_manager',
+            'url'    => 'http://wiki.splitbrain.org/plugin:usermanager',
         );
     }
      /**