New: add directory for external module and other customization

htdocs/admin/modules.php

@@ -88,7 +88,7 @@ foreach ($conf->file->dol_document_root as $dirroot)
 	else $dir = $dirroot . "/includes/modules/";
 
 	// Load modules attributes in arrays (name, numero, orders) from dir directory
-	print $dir."\n<br>";
+	//print $dir."\n<br>";
 	dol_syslog("Scan directory ".$dir." for modules");
 	$handle=@opendir($dir);
 	if ($handle)

htdocs/master.inc.php

@@ -104,7 +104,7 @@ if (empty($dolibarr_main_data_root))
 define('DOL_DOCUMENT_ROOT', $dolibarr_main_document_root);			// Filesystem core php (htdocs)
 define('DOL_DATA_ROOT', $dolibarr_main_data_root);					// Filesystem data (documents)
 define('DOL_CLASS_PATH', 'class/');									// Filesystem path to class dir
-define('DOL_CUSTOM_PATH', 'custom/');							// Filesystem path to custom dir
+define('DOL_CUSTOM_PATH', $dolibarr_main_document_root.'/custom');	// Filesystem path to custom dir
 // If dolibarr_main_url_root = auto (Hidden feature for developers only), we try to forge it.
 if ($dolibarr_main_url_root == 'auto' && ! empty($_SERVER["SCRIPT_URL"]) && ! empty($_SERVER["SCRIPT_URI"]))
 {
@@ -188,7 +188,7 @@ $conf->file->character_set_client=strtoupper($force_charset_do_notuse);
 $conf->file->cookie_cryptkey = empty($dolibarr_main_cookie_cryptkey)?'':$dolibarr_main_cookie_cryptkey;
 
 // Define array of document root directories
-$conf->file->dol_document_root=array(DOL_DOCUMENT_ROOT);
+$conf->file->dol_document_root=array(DOL_DOCUMENT_ROOT, DOL_CUSTOM_PATH);
 if (! empty($dolibarr_main_document_root_alt))
 {
 	// dolibarr_main_document_root_alt contains several directories