pateketrueke/grunt-nightwatch — pull request #5 by bchatelard (2014-03-06 08:55:23+00:00)
Title: Fix done callback was never called.

I was unable to chain tasks using grunt-nightwatch.
The `done` callback was never called so the task was unable to have another task after.

http://gruntjs.com/creating-tasks#why-doesn-t-my-asynchronous-task-complete

I may forgot some edge case, but this fix works for me.