Removed default translation locale from fixtures
PIM-1915 Described attribute export with newly added locale
PIM-1915 Used the locales in the translation normalizers context
PIM-1915 Injected the locale manager into the csv serializer processor

That way the locales are correctly passed into the translation
normalizers through the context argument
PIM-1915 Injected the locale repository into the locale manager
PIM-1915 Removed deprecated locale manager method
PIM-1915 Specified the locale manager
PIM-1915 Fixed unit tests
PIM-1915 Removed useless use statements
PIM-1915 Updated changelog
Merge pull request #659 from akeneo/bugfix-attribute-export

PIM-1915 Translations not added to the attribute are not exported