Changed the way that date format selector is shown.

Changed the way that date format selector is shown excluding ambiguity when day and month have same value.
- i.e. 01/01/2012 (mm-DD-YYYY) and 01/01/2012 (DD-mm-YYYY)
Now it displays 31/12/2012 for DD-mm-YYYY and 12/31/2012 for mm-DD-YYYY.

Change-Id: I27434c9d5713491950d4f345dccf65d647d399cf