karma-runner/grunt-karma — pull request #77 by dcherman (2013-12-11 04:02:03+00:00)
Title: grunt.util._ is deprecated - replace it with lodash

Per http://gruntjs.com/blog/2013-11-21-grunt-0.4.2-released, grunt.util._ is deprecated, but Lodash is a drop-in replacement since that's all grunt.util._ was anyway.