Products.cmfplacefulworkflow

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- Avoid deprecation warnings under Zope 2.13.
[hannosch]

- Avoid using the deprecated five:implements directive.
[hannosch]

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- Remove references to Large Plone Folder from the included workflow policies.
[davisagli]

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- Use i18n_domain=cmfplacefulworkflow in profiles.zcml to be able to
translate the title and description of the profile. This refs
http://dev.plone.org/plone/ticket/9864
[vincentfretin]

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- Avoid showing the content type icons in the workflow mapping screens.
[hannosch]

- Small code cleanup and removal of unused imports.
[hannosch]

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- Make CMFPlacefulWorkflow tool an ImmutableId object, but not a UniqueObject.
The UniqueObject base class specifies that it is impossible to have any
other object with the same id (portal_placeful_workflow). This was breaking
in-ZODB GenericSetup snapshots, because the GenericSetup sub-folder for
placeful workflow policies happens to also be called
portal_placeful_workflow. Plone has a checkId script which disallows
shadowing tools anyway, so the UniqueObject base class is a nicety rather
than a necessity.
[optilude]

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- Removed createSnapshot() call from exportimport.txt test. It wasn't doing
anything useful, and caused a distracting test failure not related to
CMFPlacefulWorkflow.

- Fix 9359: CMFPlacefulWorkflow defines __implements__ with zope3 interface.
[encolpe]

- Remove use of the deprecated document_byline macro in the placeful
workflow configuration template.
[davisagli]

- Register configlet icon using icon_expr for forwards-compatibility
with Plone 4.
[davisagli]

- Copied safeEditProperty function from CMFPlone's migrations package,
as that is being removed.
[davisagli]

- Change imports from Globals to use canonical locations, for compatibility
with Zope 2.12.
[davisagli]

- Define wtool inside the prefs_workflow_policy_mapping template.
[hannosch]

- Removed settings of the portal_skins tool itself from skins.xml.
Specifically, allow_any was set to False, which bit me.
[maurits]

- Made workflow policies translatable in prefs_workflow_localpolicies_form.
[vincentfretin]