Add additional dependency for colored gem to pre-requisite documentation.
Fix ampersand character showing up as "&amp;" instead of "&".
Translate previously untranslated strings.
Add missing string (should probably be added to all localized packages).
Add consistency with how Apple expresses dock in Swedish.
Spelling fix.
Correct some translations, some to better reflect original string and some to be more aligned with other software localizations.
Merge pull request #320 from magebarf/master

Update of swedish translation, and update to pre-requisites of "rake validate".