Plone-app-multilingual

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- Add auth-key to pam-migration.
[pbauer]

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- Fix relocate-content.
[pbauer]

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- Updated basque translation
[erral]

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- Rerelease due to possible brown bag release. Jenkins complains
about 3.0.5.
[maurits]

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- Move multilingual-selector registration from PloneRoot to Navigation root
This allows to hide language folders in nginx and to use different domains.
[do3cc]

- Update Traditional Chinese translation.
[l34marr]

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- Adapt to plone.protect in case its old content.
[bloodbare]

- Waiting for patterns to test the add translation on robot framework.
[bloodbare]

- Remove superfluous 'for'.
[fulv]