Products.cmfplacefulworkflow

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- Plone 5 fixes
[vangheem]

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- Move dependency on Products.PloneTestCase to test extra and thus removing
implicit hard dependency on Products.ATContentTypes.
[thet]

- Fix policy_form test failures for Plone 5.
[timo]

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- Fixed handling of "update security" option.
[ericof]

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- Fixed updating Role Mappings only in current folder.
[kroman0]

- Added 'CMFPlacefulWorkflow: Manage workflow policies' permission.
ManageWorkflowPolicies is no longer 'Manage portal', it's now assigned to
'CMFPlacefulWorkflow: Manage workflow policies'.
[alecghica]

- Fixed add workflow policy template (via ZMI).
[alecghica]

- Fixed descriptions under placeful_workflow_configuration.pt for sections
"For this folder" and "Below this folder".
[alecghica]

- Added "update security" as an option field on local configuration management
form, as in most cases updating catalog role mappings can be a very long
operation and is better to be made as a separate upgrade step.
[alecghica]

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- Fixed a few test failures in combination with five.pt.
[maurits]

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- Fix profiles description to be translated.
[vincentfretin]

- Fix failing test.
[davisagli]