Ftw.permissionmanager

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- Allow to customize fields.
[tschanzt]

- Fix typo: prinicpal => principal
[elioschmutz]

- Add dexterity support for indexers
[elioschmutz]

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- CSV export: insert the users fullname in the "Name" column.
[jone]

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- Fixed typo in german translation.
[mbaechtold]

- Clear the search form and hide the search results when the sharing form is
submitted.
[mbaechtold]

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- Fixed german copy permission translation.
[lknoepfel]

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- Implement uninstall profile.
[jone]

- Use ftw.profilehook instead of custom import steps (setuphandlers).
[jone]

- Fixed german copy permission translation.
[lknoepfel]

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- Sort roles always by translates title.
[mathias.leimgruber]

- Add language support for select2 widget.
[mathias.leimgruber]