Converted User#mail_notification from a boolean to a string.

The string will now store which type of notification option to use.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4216 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/project.rb

@@ -382,7 +382,7 @@ class Project < ActiveRecord::Base
   
   # Returns the mail adresses of users that should be always notified on project events
   def recipients
-    members.select {|m| m.mail_notification? || m.user.mail_notification?}.collect {|m| m.user.mail}
+    members.select {|m| m.mail_notification? || m.user.mail_notification == 'all'}.collect {|m| m.user.mail}
   end
   
   # Returns the users that should be notified on project events