EAD import: ensure did note imports are properly scoped

Fixes issue where note['persistent_id'] was not getting set accurately
[locales] resource.finding_aid_language => 'Language of Description'
[locales] Remove codes from enum translations
[locales] Fix unescaped colons
Merge pull request #19 from anarchivist/locales-and-migrations

Fix EAD import issue w/ note['persistent_id']; adjustments to translations