Hl.plone.boardnotifications

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- add mail-in functionality (jean)
- forum subscription (jean)
- add 'commenttext' as a notification mail option (jean)

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- added basque and spanish translations (erral)

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- fix https://github.com/Haufe-Lexware/hl.plone.boardnotifications/issues/1 (erral)

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- added documentation
- do not try to send emails to users that have been deleted
- do not send email when a template contains only whitespace

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- working MANIFEST.in

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- initial release