Add method to list locales without pluralization files

Add methods to check_locales and to thor locales to list locales that
have a locale file but no pluralization file
See svenfuchs#1011

locales.thor

@@ -109,6 +109,11 @@ class Locales < Thor
  puts CheckLocales.orphan_pluralizations.join(', ')
  end
 
+ desc 'orphan_locales', 'Returns locales that do not have a pluralizations file'
+ def orphan_locales
+ puts CheckLocales.orphan_locales.join(', ')
+ end
+
  private
 
  desc 'complete_locales', 'List complete locales'

rails/test/lib/check_locales.rb

@@ -31,5 +31,11 @@ def self.list_pluralizations
  def self.orphan_pluralizations
  return self.list_pluralizations.difference(self.list_locales)
  end
+
+ # Returns locales that do not have a pluralization file
+ def self.orphan_locales
+ return self.list_locales.difference(self.list_pluralizations)
+ end
+
 end