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* Removed support for Django <= 1.10
* Removed outdated files
* Code alignments with other addons
* Replace deprecated templatetag ``staticfiles`` against ``static``.
* Added management command ``filer_check`` to check the integrity of the
database against the file system, and vice versa.
* Add jQuery as AdminFileWidget Media dependency
* Add rel="noopener noreferrer" for tab nabbing
* Fixed an issue where a value error is raised when no folder is selected
* Fixed search field overflow