Eea.sparql

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* Bug fix: Updated for eea.versions v6.0
[szabozo0 refs 14627]

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* Feature: Removed lovely.memcached dependency
[voineali refs 14343]
* Bug fix: Fixed preview for sparql queries when arguments are missing
[szabozo0 14349]
* Bug fix: conform to latest eea.versions api changes
[tiberich 14008]

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* Feature: added information for contributors
[ciobabog refs 13892]
* Upgrade step: Within "Plone > Site setup > Add-ons" click on
upgrade button available for eea.sparql.
* Bug fix: Fixed tests for eea.sparql
[szabozo0 refs 9424]
* Feature: Handling specific annotations for data values
[voineali refs 9558]
* Bug fix: Fixed preview for queries returning empty fields
[szabozo0 refs 9608]
* Feature: Added quick preview for sparql queries
[szabozo0 refs 9608]
* Feature: Data persistence and versioning
- Added versioning for sparql results
- Possibility to select static & live queries
[szabozo0 refs 9424]

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* Bug fix: Fixed compatibility with jquery 1.7.2
[szabozo0]

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* Change: moved the olderVersions to the portalMessage div that displays the
old versions link for eea.sparql templates
[ichimdav 10182]

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* Feature: Added i18n translations
[avoinea]