use pod name helper in emails

app/views/layouts/notifier.html.erb

@@ -17,7 +17,7 @@
   <table cellspacing="0" cellpadding="0" border="0" align="center" width="100%" style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:12px;color:#999; padding-top:10px; margin-top:10px; border-top: 1px solid #ddd;">
     <tr>
       <td>
-        <%= t('notifier.email_sent_by_diaspora') %>
+        <%= t('notifier.email_sent_by_diaspora', :pod_name => pod_name) %>
         <a href="<%=edit_user_url%>">
           <%= t('notifier.click_here') %>
         </a>

app/views/layouts/notifier.text.haml

 != yield
-!= t('notifier.email_sent_by_diaspora')
+!= t('notifier.email_sent_by_diaspora', :pod_name => pod_name) 
 != t('notifier.to_change_your_notification_settings')
 != edit_user_url

config/locales/diaspora/en.yml

@@ -549,7 +549,7 @@ en:
 
   notifier:
     a_post_you_shared: "a post."
-    email_sent_by_diaspora: "This email was sent by Diaspora.  If you'd like to stop getting emails like this,"
+    email_sent_by_diaspora: "This email was sent by %{pod_name}.  If you'd like to stop getting emails like this,"
     click_here: "click here"
     hello: "Hello %{name}!"
     thanks: "Thanks,"