Revert "patches/DCWorkflow.py: when generate xml file, verfie the existence of the object, if an object id is bad defined, don't put it in XML."

This reverts commit aac83e25.

patches/DCWorkflow.py: when generate xml file, verfie the existence of the object, if an object id is bad defined, don't put it in XML.

Workflow.py: do not compare title in showAsXML, because in some case DC workflow's transition/ingeraction or state doesn't has title.

InteractionWorkflow.py: do not compare title in showAsXML, because in some case DC workflow's transition/ingeraction or state doesn't has title.

patches/DCWorkflow.py: do not compare title in showAsXML, because in some case DC workflow's transition/ingeraction or state doesn't has title.

WorkflowTool.py: during the workflow convertion, if DC workflow's transition/interaction or state doesn't have a title, then converted its id as title.

ERP5/InteractionWorkflow.py: do not compare object title in showAsXML, because in some DC workflow, transition, state or interaction do not have any title.

Workflow.py: In a transition, if we use '%(content_url)s/Base_viewWorkflowActionDialog?workflow_action=%(transition_id)s' in field 'Display in Action Box URL', it will return the reference of transition instead of its id.

WorkflowTool.py: remove default variables and state added by pre configuration script before convertion.

erp5_workflow: add workflow initialize script, remove create pre-configured workflow action from workflow tool.

erp5_workflow: allow to add pre configured workflow which has default state Draft and default variables.

erp5_workflow: disable id field in configuration state view; only show transition and script in transition before/after script field.

erp5_configurator_ebusiness_lotse: repair converted configuration workflow ebusiness_lotse_configuration_workflow.

erp5_configurator_ebusiness_lotse: retype erp5_configurator_ebusiness_lotse to configuration workflow.

erp5_configurator_ung: remove erp5_workflow from standard_bt5_list, which does not exist on master branch.

WorkflowTool.py: when add workflow_id from type_workflow_list to _chain_by_type, first check if portal_type is already in chain_by_type. If it is already there, then move the workflow_id, else, create the dict and add the workflow_id.

WorkflowTool.py: use getWorkflowsFor to replace getWorkflowValueListFor; now getWorkflowValueListFor rename to getWorkflowValueListForChain, which get type_workflow_list and assign it to _chain_by_type.