Merge pull request #2164 from annando/1512-basepath-2

Avoid problems with wrong configured server variables

boot.php

@@ -634,15 +634,15 @@ if(! class_exists('App')) {
 
 			$basepath = get_config("system", "basepath");
 
+			if ($basepath == "")
+				$basepath = dirname(__FILE__);
+
 			if ($basepath == "")
 				$basepath = $_SERVER["DOCUMENT_ROOT"];
 
 			if ($basepath == "")
 				$basepath = $_SERVER["PWD"];
 
-			if ($basepath == "")
-				$basepath = dirname(__FILE__);
-
 			return($basepath);
 		}