Merged 5.2.N (5.2.1) to HEAD (5.2)

127287 cturlica: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
      127262 arebegea: Merged 5.0.N (5.0.4) to 5.1.N (5.1.2)
         127234 cpopa: MNT-16063 : Activiti workflows without userTask does not work
            - Prevent tasks retrieval from finished executions


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127877 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/workflow/WorkflowBuilder.java

@@ -100,7 +100,9 @@ public class WorkflowBuilder
         NodeRef packageRef = packageMgr.create(packageNode);
         params.put(WorkflowModel.ASSOC_PACKAGE, packageRef);
         WorkflowPath path = workflowService.startWorkflow(definition.getId(), params);
-        signalStartTask(path);
+        if (path.isActive()){
+            signalStartTask(path);
+        }
         return path.getInstance();
     }