Eea-daviz

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* Bug fix: make DavizVisualization inherit from Products.ATContentTypes
instead of plone.app.folder to avoid problem with LinguaPlone generated
mutators
[tiberich 14050]

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* Bug fix: Fixed loss of data settings customizations if one would have changed
any other metadata than 'spreadsheet (Copy and paste a data table from a
file/webpage)'within Edit tab
[voineali refs 14172]

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* Change: make chart selection for relations sortable
[tiberich 13993]
* Upgrade step: go to /www/migrate_daviz_relations to migrate to sortable
relations for daviz/ims integration
[tiberich 13993]
* Feature: added information for contributors
[ciobabog refs 13892]
* Change: Added description to controlpanel fields
[szabozo0]
* Bug fix: fixed small bug in code that broke get_daviz when daviz was deleted
[tiberich 13993]

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* Change: removed redundant and unnecessary data_source provenance code,
which is already better implemented with data.info
[demarant refs 9561 and 9571]

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* Feature: Support data annotations
[voineali refs 9558]

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* Upgrade step: Within "Plone > Site setup > Add-ons" run upgrades (if available)
for the following packages in the same order as bellow:
- EEA Versions (eea.forms)
- EEA Forms (eea.forms)
- EEA Sparql (eea.sparql)
- EEA Visualization API (eea.app.visualisation);
- EEA Google Charts (eea.googlecharts);
- EEA Exhibit (eea.exhibit);
- EEA Daviz (eea.daviz)
* Feature: Added italian translations
[simahawk]