Yafowil.widget.slider

------------------

- Nothing changed yet.

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- Add minified css resource.
[rnix]

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- Add ``webresource`` support.
[rnix]

- Extend JS by ``slider_on_array_add`` and ``register_array_subscribers``
functions to enable usage in ``yafowil.widget.array``.
[lenadax]

- Rewrite of Javascript slider widget. No more jQuery UI.
[lenadax, rnix]

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- Fix binding scope in ``bdajax`` binder callback.
[rnix]

----------------

- Python 3 compatibility.
[rnix]

- Convert doctests to unittests.
[rnix]

----------------

- Add dedicated CSS for ``plone5`` theme provided by ``yafowil.plone``.
[rnix, 2016-06-28]

- Use ``yafowil.utils.entry_point`` decorator.
[rnix, 2016-06-28]