Imio.pm.locales

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- Added translations for 'copyGroups' mail notification.
- Normalized backTo state translations.

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- Added translations for 'refused' WFAdaptation.
- Added translations for 'Has annexes to sign?' faceted filter
[gbastien]

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- Updated translations.
[gbastien]

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- Updated translations

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- Added new strings for localizations and Updated Spanish translations
[lcaballero, macagua]
- Updated README files
[lcaballero, macagua]
- Added more strings classifiers and metadata items for imio.pm.locales package
[lcaballero, macagua]
- Updated regarding changes in PloneMeeting 3.3
[gbastien]

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- Updated translations