Collective.dynatree

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- Nothing changed yet.

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- Several enhancements and minor bug fixes.
[regebro]

- Bunch of fixes for z3cform widget, example types for dx, integration with
fixed tree vocabularies of ``collective.vdexvocabulary`` and more polishing.
Updated to latest ``jquery.dynatree``. Some renamings (attention, imports are
changing slightly).
[jensens, bennyboy, 2014-01-27]

- Add a z3c.form dynatree widget.
[jbeyers, thomas_w, jcbrand 2012-02-08]

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- for some cases we need to explicit iterate over .keys() - thanks to Jess Hix
for the patch, jensens 2011-03-31

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- fixed JS bug with f****g IE. Ported solution used by hpeter at
``yafowil.widget.dynatree`` witha regexp instead of trim, jensens 2011-03-14

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- fixed bug: css-registry merges css, so paths to skin were no longer relative.
Adding the resource part helps here. jensens 2011-03-08

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- fixed bug: ``required`` on multi-selection did not work. jensens 2011-02-18

- added ``showKey`` property to at-widget to show terms key in front of the
value. hpeter, jensens, 2010-01-18

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