Use "Sending..." instead of "Posting..." for new conversation.

app/views/conversations/new.haml

@@ -51,4 +51,4 @@
 
       .bottom_submit_section
         = submit_tag t('cancel'), :class => 'button', :type => :reset, :rel => "close", :confirm => t('.abandon_changes')
-        = conversation.submit t('.send'), :disable_with => t('shared.publisher.posting'), :class => 'button creation'
+        = conversation.submit t('.send'), :disable_with => t('.sending'), :class => 'button creation'

config/locales/diaspora/en.yml

@@ -234,6 +234,7 @@ en:
       to: "to"
       subject: "subject"
       send: "Send"
+      sending: "Sending..."
       abandon_changes: "Abandon changes?"
     helper:
       new_messages: