Products.cmfplacefulworkflow

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- Declare package dependencies and fixed deprecation warnings for use
of Globals.
[hannosch]

- Copied safeEditProperty from CMFPlone.migration_util to avoid a dependency.
[hannosch]

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- Port evolutions from the 1.3 maintenance branch (old style product).
[encolpe]

- Fixed bad version in metadata.xml (again)
[encolpe]

- Removed Favorite content type.
[hannosch]

- Fixed "ValueError: 'acquisition' is not a workflow ID" in
prefs_workflow_policy_mapping. Fix prepared by jhackel. Fixes
http://dev.plone.org/plone/ticket/8101
[maurits]

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- Fixed bad metadata.xml.
[encolpe]

- Fixed incorrect variable name in exception message.
[davisagli]