Plone.app.contenttypes

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- Migrate next-previous-navigation.
Fix https://github.com/plone/plone.app.contenttypes/issues/267
[pbauer]

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- Handle languages better for content that is create when site is generated
[vangheem]

- In ``FolderView`` based views, don't include the ``portal_types`` query, if
``object_provides`` is set in the ``results`` method keyword arguments. Fixes
a case, where no Album Images were shown, when portal_state's
``friendly_types`` didn't include the ``Image`` type.
[thet]

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- Test Creator criterion with Any selection.
[mvanrees]

- Selection criterion converter: allow selection.is alternative operation.
[mvanrees]

- Fixed corner case in topic migration.
[mvanrees]

- Use event_listung for /events/aggregator in new sites.
[pbauer]

- Remove obsolete collections.css
[pbauer]

- Add plone.app.querystring as a dependency (fixes collections migrated to p5
and dexterity).
[pbauer]

- Migrate layout of portal to use the new listing-views when migrating to dx.
[pbauer]

- Migrate layout using the new listing-views when migrating folders,
collections, topics.
[pbauer]

- Update allowed view_methods of the site-root on installing or migrating.
Fixes 25.
[pbauer]

- Set default_view when updating view_methods. Fixes 250.
[pbauer]

- Fix bug in reference-migrations where linkintegrity-relations were turned
into relatedItems.
[pbauer]

- Setup calendar and visible ids even when no default-content gets created.
[pbauer]

- Remove upgrade-step that resets all behaviors. Fixes 246.
[pbauer]

- Add convenience-view export_all_relations to export all relations.
[pbauer]

- Add method link_items that allows to link any kind of item (AT/DX) with any
kind of relationship.
[pbauer]

- New implementation of reference-migrations.
[pbauer]

- Fix i18n on custom_migration view.
[vincentfretin]

------------------

- Fix BlobNewsItemMigrator.
[MrTango]

- Fix ATSelectionCriterionConverter to set the right operators.
[MrTango]

- Fix custom_migraton when they type-name has a space (fixes 243).
[pbauer]

- Get and set linkintegrity-setting with registry.
[pbauer]

- Use generic field_migrators in all migrations.
[pbauer]

- Remove superfluous 'for'. Fixes plone/Products.CMFPlone669.
[fulv]

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- Use modal pattern for news item image instead of jquery tools.
[vangheem]

------------------

- Keep additional view_methods when migrating to new view_methods. Fixes 231.
[pbauer]

- Fix upgrade-step to use new view_methods.
[pbauer]

- Fix possible error setting fields for tabular_view for
collections. Issue 209.
[maurits]