Eea.versions

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* Bug fix: Fixed versions portlet for items with non-ASCII chars
[voineali 4760]

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* Rerelease broken egg

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* Change: Cleaned up versions.py, the modal box copes with server errors, it displays an error message in case of any error (except apache timeout)
[szabozo0 4612]
* Feature: Avoid timeout error message on creating new version, display fancybox while copying, show link to the new version when copy is done
[szabozo0 4612]
* Bugfix: fixed "Permalink to latest version" in case if only one entry is available
[szabozo0 4630]
* Feature: added a utility view, get_interfaces
[tiberich 4275]
* Feature: Added upgrade steps
[voineali 4392]
* Feature: Plone 4.x compatible release
[tiberich 4275]

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* Bug fix: omitted the change of object to obj which broke the version portlet
[ichimdav]
* Cleanup: of pyflakes warnings
[ichimdav 4141]
* Cleanup: of pylint violations
[ichimdav 4140]

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* Feature: make versioning trigger IVersionCreated event
[tiberich 3988]
* Change: set effective and expiration date to None when creating a version
[tiberich 4000]

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* API Change: renamed has_versions to isVersionEnhanced, also coresponding view
[tiberich 3278]