Collective-portletmetadata

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- Nothing changed yet.

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- Fix case in managing groups-and contenttype-portlets when the query-string
is no longer in the request.
[kroman0, pbauer]

- Plone 5 compatibility - this release requires plone 5 (p.a.portlets >= 4.0.0)
[sunew]

- uninstall profile
[sunew]

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- Allow ``class|descriptive title`` as format in the control panel.
When this format is used, we show the title in de portlet metadata
edit form. A simple ``class`` is of course still supported.
[maurits]

- Support the local portlet checkbox for ContentWellPortlets.
[mauritsvanrees]

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- Backported local portlets functionality
[bosim]

- Override Products/ContentWellPortlets/browser/templates/renderer.pt
[mauritsvanrees]

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Initial release