Merge pull request activeadmin#2072 from ericpromislow/master

Fix the translation_missing error

Author: macfanatic

lib/active_admin.rb

@@ -58,6 +58,7 @@ class Railtie < ::Rails::Railtie
       # Add load paths straight to I18n, so engines and application can overwrite it.
       require 'active_support/i18n'
       I18n.load_path.unshift *Dir[File.expand_path('../active_admin/locales/*.yml', __FILE__)]
+      I18n.reload!
     end
   end