Internal: new setting to tweak the data model by allowing null for all external keys (use with care!)

SVN:trunk[3016]

core/config.class.inc.php

@@ -1,5 +1,5 @@
 <?php
-// Copyright (C) 2010-2012 Combodo SARL
+// Copyright (C) 2010-2013 Combodo SARL
 //
 //   This file is part of iTop.
 //
@@ -147,6 +147,14 @@ class Config
 			'source_of_value' => '',
 			'show_in_conf_sample' => false,
 		),
+		'disable_mandatory_ext_keys' => array(
+			'type' => 'bool',
+			'description' => 'For developpers: allow every external keys to be undefined',
+			'default' => true,
+			'value' => true,
+			'source_of_value' => '',
+			'show_in_conf_sample' => false,
+		),
 		'graphviz_path' => array(
 			'type' => 'string',
 			'description' => 'Path to the Graphviz "dot" executable for graphing objects lifecycle',