Django-filer-mod

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* Dropping or uploading an image will now fire a js change event
* Added native Aldryn support

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* Fixed add/change arguments in FileAdmin.render_change_form
* Fixed minor issues which results in spurious migration generation

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* Added a menu into django CMS projects via filer.contrib.django_cms
* Added tests for extended models
* Updated file_ptr to use string-replacement strategy for newer Djangos

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* Fixed an issue with `file_ptr` on Django 1.9+ installations
* Addressed file_ptr issue
* Updated translation strings

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* Rename filer picker widget upload button
* Adds missing 2x icon files
* Added missing migration 854
* Updated translations
* Fixed an issue with hashes in URLs in the wrong place
* Fixed issue where deleting a user from a project would delete their assets

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* Drop Django 1.5 support
* Drop Python 3.3 support (now 3.4+)
* Testrunner cleanup
* Fix many regressions and bugs in Django 1.8/1.9
* Admin UI enhancements
* Fix issues with non-default STATICFILES_STORAGE
* Hide related widget wrapper links
* Fix cancel link in delete confirmation
* Make BaseImage.subject_location field non-nullable
* Adds icon sizes
* Fixes owner search icon on detail view
* Disable submit button if only one folder to copy file
* Design improvements
* Empty folder design
* Removes disabled action button border
* Adds unsorted uploads empty view
* Fix issues with subject location being off on images smaller than 210px
* Ignores unsorted uploads from search and count