marionettejs/backbone.marionette — pull request #1179 by jmeas (2014-04-15 15:03:32+00:00)
Title: Adds before:child:remove to collectionView

- Adds before:child:remove to collectionView
- Adds tests for child:remove and before:child:remove
- Only triggers child:remove when a child is removed

Resolves some of #1173