made string on mobile page translatable

app/views/aspects/index.mobile.haml

@@ -9,7 +9,7 @@
     = @aspect
 
 %h1
-  = link_to 'post a message >> ', '#publisher_page', :id => 'publisher_button'
+  = link_to t('.post_a_message'), '#publisher_page', :id => 'publisher_button'
 #main_stream.stream
   = render 'shared/stream', :posts => @fakes
   %a.more-link.paginate{:href => '#'}

config/locales/diaspora/en.yml

@@ -139,6 +139,7 @@ en:
     index:
       handle_explanation: "This is your diaspora handle. Like an email address, you can give this to people to reach you."
       no_contacts: "No contacts"
+      post_a_message: "post a message >>"
 
   aspect_memberships:
     destroy: