Izug.ticketbox

------------------

- Fix translation.
[mathias.leimgruber]

------------------

- Added missing translation.
[mathias.leimgruber]

- Show icon in ticketboxes overview.
[mathias.leimgruber]

- Extend csv export by variety.
[mathias.leimgruber]

----------------

- Use new test buildout config, fix dep.
[mathias.leimgruber]

- Fix and change ownerid index (ownerindex is now called get_owner_index).
[mathias.leimgruber]

- Fix sortable_ticket_references index and linked_attachment helper.
[mathias.leimgruber]

- Fix assignable_user vocab, use token title if available.
[mathias.leimgruber]

- Added wincp52 encoded csv export.
[mathias.leimgruber]

------------------

- Update workflow
[eschmutz]

- Fix workflow for reader-role if we use restrictedTraverse
[eschmutz]

----------------

- Hide Answer menutitem.
[mathias.leimgruber]

- Hide addable types menu on ticket view.
[mathias.leimgruber]

- Added References to responses is now possible.
Responses will be saved also on the parent (Ticket).
[mathias.leimgruber]

- Ticket-nr will be shown if Ticket reference is a Ticket too.
[mathias.leimgruber]

------------------

- Fixes Manifest.in (include \*.rst)
[mathias.leimgruber]