Adds a rake task to send reminders. An email is sent to each user with a list of the issues due in the next days, if any.

See @rake -D redmine:send_reminders@ for options.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1459 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/issues.yml

@@ -42,7 +42,7 @@ issues_003:
   category_id: 
   description: Error 281 is encountered when saving a recipe
   tracker_id: 1
-  assigned_to_id: 
+  assigned_to_id: 3
   author_id: 2
   status_id: 1
   start_date: <%= 1.day.from_now.to_date.to_s(:db) %>