Plone.app.z3cform

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- Remove unused (and broken on Plone 4) lookup of the current user's WYSIWYG
editor preference. The wysiwyg_support template does this for us.
[davisagli]

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- Made the KSS validator use publish traversal instead of OFS traversal to find
the form. This makes it usable with forms reached by custom IPublishTraverse
adapters.
[davisagli]

- Added enable_form_tabbing option to not transform fieldsets into tabs.
[vincentfretin]

- Added an id to the generated form.
[vincentfretin]

- Fixed issue in macros.pt: fieldset.current hidden input was never generated.
[vincentfretin]

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- Set plone i18n domain for "Info" and "Error" messages in macros.pt so they are translated.
[vincentfretin]

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- Include plone.z3cform's overrides.zcml from our own overrides.zcml.
[optilude]

- Updated to collective.z3cform.datetimewidget>=0.1a2 to fix a ZCML conflict
with z3c.form.
[davisagli]

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- Made the KSS form support conditional on both kss.core and Archetypes being
installed.
[hannosch]

- Use the date/time widgets from collective.z3cform.datetimewidget as the default
widget for Date and Datetime fields.
[davisagli]

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- Made the KSS validator use traversal instead of getMultiAdapter() to find
the form. This makes it work on add forms.
See http://code.google.com/p/dexterity/issues/detail?id=27
[optilude]