silverstripe/silverstripe-framework — pull request #2841 by chillu (2014-02-11 11:18:23+00:00)
Title: API Default to "yyyy-MM-dd" for date format

Avoid using "MMM" in particular, since it causes inconsistencies in month
names between jQuery UI and Zend_Locale_Format.

Fixes https://github.com/silverstripe/silverstripe-cms/issues/544