add a plaintext layout for emails, and include a link to change your email settings in the emails

app/mailers/notifier.rb

@@ -1,6 +1,5 @@
 class Notifier < ActionMailer::Base
   helper :application
-
   default :from => AppConfig[:smtp_sender_address]
 
   ATTACHMENT = File.read("#{Rails.root}/public/images/logo_caps.png")
@@ -15,10 +14,10 @@ class Notifier < ActionMailer::Base
   end
 
   def single_admin(string, recipient)
-    @recipient = recipient
+    @receiver = recipient
     @string = string.html_safe
     attachments.inline['logo_caps.png'] = ATTACHMENT
-    mail(:to => @recipient.email,
+    mail(:to => @receiver.email,
          :subject => I18n.t('notifier.single_admin.subject'), :host => AppConfig[:pod_uri].host)
   end
 

app/views/layouts/notifier.html.haml

@@ -8,3 +8,5 @@
       = image_tag attachments['logo_caps.png'].url, :alt => "DIASPORA"
     #container
       = yield
+    %a{:href => "#{ AppConfig[:pod_uri].host}/users/#{@receiver.id}/edit"}
+      = t('notifier.manage_your_email_settings')

app/views/layouts/notifier.text.haml

@@ -0,0 +1,3 @@
+!= yield
+!= t('notifier.manage_your_email_settings')
+!= "#{ AppConfig[:pod_uri].host}/users/#{@receiver.id}/edit"

app/views/notifier/single_admin.html.haml

@@ -1,5 +1,5 @@
 %p
-  = t('notifier.hello', :name => @recipient.username)
+  = t('notifier.hello', :name => @receiver.username)
 %p
   = @string
 

app/views/notifier/single_admin.text.haml

@@ -1,4 +1,4 @@
-!= t('notifier.hello', :name => @recipient.username)
+!= t('notifier.hello', :name => @receiver.username)
 
 != @string
 

config/locales/diaspora/en.yml

@@ -300,6 +300,7 @@ en:
     love: "love,"
     thanks: "Thanks,"
     diaspora: "the diaspora email robot"
+    manage_your_email_settings: "manage your email settings"
     single_admin:
         subject: "A message about your Diaspora account:"
         admin: "Your Diaspora administrator"

spec/mailers/notifier_spec.rb

@@ -43,6 +43,13 @@ describe Notifier do
       mail.body.encoded.should match /Welcome to bureaucracy!/
       mail.body.encoded.should match /#{user.username}/
     end
+
+    it 'has the layout' do
+      
+      mail = Notifier.single_admin("Welcome to bureaucracy!", user)
+      puts mail.body.encoded
+      mail.body.encoded.should match /manage your email settings/
+    end
   end
 
   describe ".new_request" do