Update FormatterKit.strings

fixed some plural values
Added Swedish localization
adding portuguese (brazilian) localization strings
Merge pull request #65 from marlonandrade/master

Adding portuguese (brazilian) localization strings
Merge pull request #63 from jenshandersson/master

Added Swedish localization
Merge pull request #62 from thm76/patch-1

Update FormatterKit.strings
Adding Swedish to list of localities

Fixing typo
Correcting locale identifier for Brazilian Portuguese
Fixing typo