Ftw-poodle

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- Drop Plone 4.1 support. [jone]

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- Add checkbox to enable stealth voting.
[raphael-s]

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- Update French translations.
[jone]

- Disable ``auto-insert`` in ``dates`` field because of validation.
[jone]

- Update German translations.
[jone]

- i18n engine fixes [keul]
- Added italian translation [keul]
- Now using (and requiring) DataGridField 1.9+ and new features like required
columns, column's description and DateColumn [keul]
- Restored "View" object action [keul]

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- Fix typo in the 'users' field of PoodleSchema: multivalued ->
multiValued [cillianderoiste]

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- Fix saveing votes, since the form only works with js.
[mathias.leimgruber]

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- Update French translations.
[tschanzt]

- Sort users by normalized fullname.
[mathias.leimgruber]

- Plone 4.3 compatibility
[mathias.leimgruber]