This resolves Task#16277: Due date filter.
Some more auto-fill terms like Today or later etc. have been added as mentioned in the story.
http://squish.ish.com.au/tasks/16277
This introduces the new serch keywords like "Today or earlier" etc. for Task#16277: Due date filter
http://squish.ish.com.au/tasks/16277
This introduces the new keywords like "Today or earlier" etc. for task#16277: Due date filter
http://squish.ish.com.au/tasks/16277
This introduces the new due date filters like "Today or earlier", "Tomorrow or later" etc. as described in the story
[Task#16277] http://squish.ish.com.au/tasks/16277
Deleted spec/requests. These tests are now present in spec/controllers.