Izug.ticketbox

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- Fix AttributeError when a user is deleted.
[tschanzt]

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- Transform description to Text.
[tschanzt]

- Don't show User which can't add Tickets in assignable users.
[tschanzt]

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- Use unrestrictedTraverse in _get_cached_options_for, since some parents couldn't
be accessible for the logged-in user.

- Add French and English translations.
[jone]

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- Make own class for TicketAttachments.
[tschanzt[

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- Better handling of individual identifier in subject generation.
[mathias.leimgruber]

- Use fullname also for notifications on Tickets not only on Answers.
[mathias.leimgruber]

- Style "Add answer" link as button using default styling.
[jone]

- Plone 4.3 support.
[jone]

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- Check if the user has the permission to add a ticket instead of checking
for a local role.
[mathias.leimgruber]