documentcloud/backbone — pull request #1116 by nagyv (2012-03-18 19:06:34+00:00)
Title: Enhanced Backbone.Collection._reset

Requires an extended version of underscore, see:
https://github.com/documentcloud/underscore/pull/513

based on: http://www.scirra.com/blog/76/how-to-write-low-garbage-real-time-javascript