Alert commit author on note

Allows to alert only the commit author when a new note is added on a commit, useful when gitlabhq is used for code
reviews, allows less noise with mails...

app/models/mailer_observer.rb

@@ -27,7 +27,7 @@ class MailerObserver < ActiveRecord::Observer
     end
 
     def new_note(note)
-      return unless note.notify
+      return unless note.notify or note.notify_author
       note.project.users.reject { |u| u.id == current_user.id } .each do |u|
         case note.noteable_type
         when "Commit" then

app/models/note.rb

@@ -14,6 +14,7 @@ class Note < ActiveRecord::Base
 
   attr_protected :author, :author_id
   attr_accessor :notify
+  attr_accessor :notify_author
 
   validates_presence_of :project
 
@@ -40,6 +41,10 @@ class Note < ActiveRecord::Base
   def notify
     @notify ||= false
   end
+
+  def notify_author
+    @notify_author ||= false
+  end
 end
 # == Schema Information
 #