erp5_workflow: testWorkflow5Method add erp5workflow state accessor test and DCworkflow state accessor test. Test the conflict between 2 types of accessor and the funtionality of workflow methods, also the translations of the state.

Base.py and WorkflowState.py: Regenerate erp5workflow state accessor which override base categories accessor.

erp5_workflow: Allow user to modify object's Id in view pages of Transition, State; and to modify workflow's title in view page of workflow.

erp5_base: Delete "translated" terms in Person(&Module) View because  ERP5Workflow doesn't support translation right now.

erp5_base: Add ERP5Workflow selection field in view page, add an erp5workflow based validation_workflow to Person type.

erp5_base: Use an ERP5Workflow based validation_workflow to replace wenjie_workflow, delete wenjie_workflow.