Products.cmfdynamicviewfti

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- Fix https://github.com/plone/Products.CMFPlone/issues/591
[gotcha]

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- Removed CMFDefault dependency
[tomgross]

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- When a default object is used as layout for a container,
if the default object is deleted or moved with cut and paste,
reset the default_page property of the container.
[gotcha]

- When a default object is used as layout for a container,
if the default object is renamed (iow id is changed),
fix the default_page property of the container.
[gotcha]

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- Ported tests to plone.app.testing
[tomgross]

- Removed BBB interface.py module
[tomgross]

- pep8ify
[tomgross]

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- Add i18n translation domain to the zcml to remove UserWarning.

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- Add cmf.ModifyViewTemplate zcml permission for "Modify view template"
[toutpt]