Fixed redirection i18n redirection on preview

app/controllers/application_controller.rb

@@ -213,9 +213,7 @@ class ApplicationController < LinguaFrancaApplicationController
 		expiry ||= (Time.now + 12.hours)
 		session[:confirm_uid] = user.id
 		UserMailer.send_mail :email_confirmation do
-			{
-				:args => EmailConfirmation.create(user_id: user.id, expiry: expiry, url: url)
-			}
+			EmailConfirmation.create(user_id: user.id, expiry: expiry, url: url)
 		end
 	end
 

config/environments/preview.rb

@@ -101,4 +101,5 @@ BikeBike::Application.configure do
 
 	I18n.config.language_detection_method = I18n::Config::DETECT_LANGUAGE_FROM_SUBDOMAIN
 	I18n.config.subdomain_format = 'preview-%'
+	I18n.config.host_locale_regex = /^preview\-([a-z]{2})\.[^\.]+\..*$/
 end