Plone.formwidget.namedfile

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* Added Simplified Chinese translation.
[jianaijun]

* Added pt_BR translation.
[rafaelbco, davisagli]

* Additional unit tests for download view
[lentinj]

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* Don't need to ask parent for widget name anymore, since ++widget++ traverser
will understand full widget names.
[lentinj]

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* Allow field widget to display without absolute_url.
[elro]

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* Use what the parent considers to be the widget name if available.
Without which named images in dexterity behaviors break.
[lentinj, elro]

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* Fix handling of unicode filenames when converting or quoting the URL.
Fixes http://code.google.com/p/dexterity/issues/detail?id=148
[rossp, mj]

* Added Spanish translations.
[dukebody]

* Added german translations.
[jbaumann]

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* Avoid showing validation errors during KSS validation, as the file is not
uploaded in this case.
[davisagli]

* Don't use the action from the request when the form submission succeeded.
(In that case we always want "keep existing image")
[davisagli]