Bug 5475 Wrong messages date formating on Check Out page

Bug 5475 Wrong messages date formating on Check Out page

On the Check Out page, messages related to the borrower are displayed on the
right side. Message text is preceded by a date and library code. The date is
displayed in US format (mm/dd/YYY). Is should be displayed formated depending
on 'dateformat' syspref.

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit 37a17d8fadf745aa9a236f96a1fb5c9665651f04)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>