Django-grappelli

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* Removed package.json from jquery-ui.
* Fixed change_list_filter_confirm peoduces wrong url parameters.
* Fixed change_list_filter_confirm is using admin_list.admin_list_filter instead of grp_tags.admin_list_filter.
* Added default for dummy template with dahboard (because of django-compressor offline compression).

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* Fixed race condition issue with Grunt.
* Fixed readonly ID field.

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* Fixed utf-8 characters in TinyMCE staticfiles.

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* Fixed changelist actions.

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* First release of Grappelli which is compatible with Django 4.0.