Workflow.py: clean Permission Role list after Role mapping; Transition.py: Remapping roles after changing state.

erp5_property_sheets: add is_selected_property in State, which is related to permission role matrix checkbox.

erp5_workflow: add portal_types: PermissionRoles and it's view. Add PermissionRoles as allowed content of State.

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.