Add space after translation so that translators dont have to guess a space is needed after the translation

app/assets/javascripts/darkswarm/filters/dates.js.coffee

@@ -12,4 +12,4 @@ Darkswarm.filter "sensible_timeframe", (date_in_wordsFilter)->
     if moment().add(2, 'days') < moment(date, dateFormat)
       t 'orders_open'
     else
-      t('closing') + date_in_wordsFilter(date)
+      t('closing') + ' ' + date_in_wordsFilter(date)

app/mailers/spree/user_mailer.rb

@@ -20,7 +20,7 @@ module Spree
       @user = user
       I18n.with_locale valid_locale(@user) do
         mail(to: user.email, from: from_address,
-             subject: t(:welcome_to) + Spree::Config[:site_name])
+             subject: t(:welcome_to) + ' ' + Spree::Config[:site_name])
       end
     end