fixe a bug when retrieving workflows

src/jflow/workflows_manager.py

@@ -100,7 +100,6 @@ class WorkflowsManager(object):
         except:
             workflows_dump = {}
         for workflow_id in workflows_dump:
-            print workflow_id
             try:
                 workflow_dump = open(workflows_dump[workflow_id], "rb")
                 workflows.append(pickle.load(workflow_dump))