Tasks don't move from one day to another when I change their date
Reproduction of the bug:
https://docs.google.com/a/inboundcycle.com/file/d/0B-4I9Fh277yZYkw0YWlkaXl4WG8/edit
https://docs.google.com/a/inboundcycle.com/file/d/0B-4I9Fh277yZYkw0YWlkaXl4WG8/edit
App:
