Ftw.journal

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- Fixed bug that prevented journalizer event handler from working
[christian.schneider]

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- Added i18n stuff
[christian.schneider]

- Make journaling event handler check if an adapter exists before trying to
journalize
[christian.schneider]

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- Changed setup.py to try and fix the annoying dependency error when egg-info
has not been deleted before running buildout
[christian.schneider]

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- Implemented journaling mechanism using adapters and event handlers. There are
two adapters to journalize something on a context, one for journalizing in
the workflow history, and one for an annotations-based journal. Which one
is used depends on which marker interface (see interfaces.py) the type
implements. The annotations based system is not tested yet.
[christian.schneider]

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- Initial release