Django-adminactions

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* fix mass_update bug that caused all records in a table to be updated (thanks jht001)
* Added timezone support to csv and xls export

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* fixed :ghissue:`33`
* fixed :ghissue:`20`

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* fixed :ghissue:`26`
* add feature to :ref:`use callable as columns <export_with_callable>`
* add feature to :ref:`export dictionaries <export_with_dictionaries>`
* new action :ref:`export_as_xls`
* added custom headers to :ref:`export_as_csv`
* new permission :ref:`adminactions_massupdate`
* new permission :ref:`adminactions_merge`

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* improved :ref:`export_as_csv`
* Django 1.6 compatibility
* Added `modeladmin` in providing_args of signals: :ref:`adminaction_requested`, :ref:`adminaction_start`, :ref:`adminaction_end`

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* new api module
* pull out core export_csv functionalites as `_export_as_csv() <api.htmladminactions.export._export_as_csv>`_ to be used by custom code
* New exported filename callback for easy customize the filename ( see :ref:`filename_callbacks`)
* New registration shortcut `add_to_site() <api.htmladminactions.actions.add_to_site>`_
* New action: :ref:`merge`
* Fixed :ghissue:`9`
* Added :ref:`permissions`
* New signals: :ref:`adminaction_requested`, :ref:`adminaction_start`, :ref:`adminaction_end`

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* NEW added ``add_foreign_keys`` parameter to :ref:`export_as_fixture` and :ref:`export_delete_tree`
* NEW :ref:`export_delete_tree`
* renamed export_as_json as export_as_fixtures
- added foreign_keys dumps
- multiple serializer
* NEW: :ref:`transform_operations`
* NEW: url to preview date format in `export_as_csv`