Zeam.form.silva

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* Use alternate layout for checkbox: they are displayed before the
label and not after.

* Add more contextual help in SMI special widgets.

* Update to Zeam form 1.3.

* IE and Webkit fixes for some Javascript widgets.

* Add a custom widget for the identifier field.

* Add support for a confirmation dialog when an action is clicked on.

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* Add new widgets, combobox, multipickup and a date widget with the
jqueryUI date selector.

* Add support for XML serialization.

* Improve form templates and styling.

* Improve the JS (inline validation and form popup) integration.

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* Update code for Zope 2.13 and Python 2.7.

* Add a bit HTML 5 support for forms.

* Uses ``fanstatic``.

* Inline validation works on more fields now.

* Popup forms have been updated to work with ``silva.ui``.

* SMI forms now are REST-based on top of ``silva.ui``.

* Add a new file upload widget, and a image cropping one, improves
other existing widgets.

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* Add a new textarea widget called ``lines`` able to edit collection
of textlines.

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* Review security restriction on add forms and edit forms.

* Add support for *add in position* in default add forms.

* Various improvements in the form code (status feedback), default
form templates and i18n.

* Add a datetime widget based on the JQueryUI datetime picker.

* Add some Javascript helpers: inline validation via AJAX query on
simple form widgets. By default the first required field of a form
gets the focus.

* Add support to create REST forms in a popup in SMI or included in
Kupu.

* Add support for public forms.

* Add support for zope.interfaces invariant by default in SMI forms.

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* Initial release.