Ftw.notification.email

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- Fixed email subject adapter. Raised UnicodeDecodeError
if Umlauts are used in site.Title() oder object.Title()
[mathias.leimgruber]

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- Add possibility to add attachments to an email.
[mathias.leimgruber]

- Added translation in mail subject. This package does not work for Plone 3 anymore!
[Julian Infanger]

- Fixed test setup.
[timon.tschanz, jone]

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- Added Test for ftw.notification.email
[timon.tschanz]

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- Added SubjectCreator adapter. Added propertiestool.xml modified notifier.py
[timon.tschanz]

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- Fix subject encoding.
[mathias.leimgruber]

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- Save notification in Journal, using ftw.journal.
[mathias.leimgruber]