[MERGE] forward port of branch saas-6 up to b54fdaa1

openerp/addons/base/ir/ir_actions.py

openerp/addons/base/ir/ir_attachment.py

openerp/addons/base/ir/ir_model.py

openerp/addons/base/ir/ir_translation.py

openerp/addons/base/ir/ir_ui_view.py

openerp/addons/base/ir/ir_values.py

openerp/addons/base/workflow/workflow.py