jquery/jquery-ui — pull request #915 by ngsilverman (2013-02-15 12:08:00+00:00)
Title: Sortable: check default intersection by calculating surface overlap. Fixed #3022 and #8342

Fixed http://bugs.jqueryui.com/ticket/3022 and http://bugs.jqueryui.com/ticket/8342
#3022 - handle outside sorting element does not work
#8342 - incorrect behavior of 'intersect' tolerance option