Merged in paulis/processmaker/PM-1558 (pull request #1504)

I solved the conflict in the issue PM-1558

workflow/engine/classes/class.derivation.php

@@ -182,7 +182,8 @@ class Derivation
 
                 if ((int)($arrayRouteData["ROU_DEFAULT"]) == 1) {
                     $arrayNextTaskDefault = $arrayRouteData;
-                    continue;
+                    $arrayNextTask = array();
+                    break;
                 }
 
                 $flagContinue = true;