ldap: add app cn (in eyaml is the base app dn only)

hooks/templates/inc_projects_config.php.erb

@@ -70,7 +70,7 @@ $aConfig = array(
             'DnLdapUser' => '<%= @replace["ldap-user"] %>',
             'PwLdapUser' => '<%= @replace["ldap-password"] %>',
             'DnUserNode'   => '<%= @replace["ldap-dn-user"] %>',
-            'DnAppNode'    => '<%= @replace["ldap-dn-apps"] %>',
+            'DnAppNode'    => 'cn=Access__CI-Webgui-ci_iml_unibe_ch,<%= @replace["ldap-dn-apps"] %>',
             'debugLevel'   => 0,
         )
     ),