ducksboard/gridster.js — pull request #273 by myabc (2013-12-06 00:13:05+00:00)
Title: Fix leaking options with multiple Gridster instances

`defaults` was being overwritten.

See [jQuery documentation](http://api.jquery.com/jQuery.extend/):

> Keep in mind that the target object (first argument) will be modified, and will also be returned from $.extend().