Merged ajax_upload branch (#3957).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10977 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/configuration.rb

@@ -20,7 +20,8 @@ module Redmine
 
     # Configuration default values
     @defaults = {
-      'email_delivery' => nil
+      'email_delivery' => nil,
+      'max_concurrent_ajax_uploads' => 2
     }
 
     @config = nil