Collective.confirmableforms

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- Nothing changed yet.

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- Avoid CSRF warning when confirming. [maurits]

- Put email address without brackets as token in the box.
[maurits]

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- Updated Dutch translations. [maurits]

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- Added fields for setting the confirmation email address.
As fallback, use the standard recipent email address.
Until now, we only used the address of the ``replyto`` field.
[maurits]

- Pass ``wrappedFields`` option to the confirm mailer templates.
Same as PloneFormGen does for the standard mailer. [maurits]

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- Added ``send_standard_mail`` boolean. Default is true.
If set, after the email address is confirmed, the standard mail is sent,
as if this was a standard mail action adapter.
[maurits]

- Automatically ignore all other action adapters during first submission.
Automatically ignore our ConfirmedFormMailerAdapter after confirmed submission.
This makes it possible to have for example a Script adapter called only after confirmed submission.
[maurits]

- Automatically install PloneFormGen during our own install.
This makes sure PloneFormGen is installed first.
[maurits]

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- Added more info in readme on how to use this. [maurits]

- Package cleanup. Added test extra, although we have no interesting tests.
[maurits]