i18n of reply at line in the private message of the intern messages

app/views/email_message/notify.text.erb

@@ -1,3 +1,3 @@
   <%= word_wrap(@message.plaintext_body, :line_width => 72).gsub(/\n/, "\n  ") %>
 
-Reply at <%= @message.url %>
+<%= t('.replyat') %><%= @message.url %>

config/locales/en.yml

@@ -95,6 +95,9 @@ en:
       delete: "delete"
       reply: "reply"
       about: "on:"
+  email_message:
+    notification.text:
+      replyat: "Reply at "
   global:
     markdownhelp:
       emphasizedtext: "emphasized text"

config/locales/fr.yml

@@ -97,6 +97,9 @@ fr:
       delete: "supprimer"
       reply: "répondre"
       about: "sur :"
+  email_message:
+    notification.text:
+      replyat: "Répondre à "
   global:
     markdownhelp:
       emphasizedtext: "italique"