ERP5TypeTestCase.py: avoid using accessor in dynamicWorkflowConversion. also put self.commit() back.

testERP5SyncML.py: after deploy new workflow, edit_workflow still can't generate the workflow history correctly. disable this comparasion until we find out the bug.

testDms.py: after repair interaction guard creation condiction, setData which trigger multiple guard creations won't have and guard conflict.

testDms: use _baseSetData to replace setData which cause data base conflict? not sure if this is a good solution.

PortalTypeClassInteractor.py: reset accessor/method after reassign workflow through type workflow list.

Workflow.py: fix addTransition errors and add a new combatibility-related function deleteTransitions.

WorkflowTool.py: exclude configuration workflow for the workflow conversion; correct the imput value type for setChainForPortalTypes.

Workflow.py: fix that transition can have single script defined; add a missing function wrapWorkflowMethod.