Django-messages-ui

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* Add missing __init__.py.

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* Fix manifest.in to include package json file.

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* Publish as a standalone jQuery plugin. Add JS unit tests.
* BACKWARDS INCOMPATIBLE: js filename changed from jquery.messages-ui.js to
django-messages-ui.js

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* Remove transient messages on scroll (also mousedown, keydown, mouseover).

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* Fix AjaxMessagesMiddleware encoding issue with Python 3 and JSON response.
* Precompile Handlebars template with 1.0.0.

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* Precompile Handlebars template with 1.0.0-rc.4.
* Make AjaxMessagesMiddleware Py3-compatible.