added rss/atom feeds at project levels for:

* news
* new issues reported
* details of issue changes

issue cutom queries can be used as feeds

git-svn-id: http://redmine.rubyforge.org/svn/trunk@339 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/token.rb

@@ -31,7 +31,7 @@ class Token < ActiveRecord::Base
   
   # Delete all expired tokens
   def self.destroy_expired
-    Token.delete_all ["created_on < ?", Time.now - @@validity_time]
+    Token.delete_all ["action <> 'feeds' AND created_on < ?", Time.now - @@validity_time]
   end
   
 private